1280440980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:476

約数の個数: 384

約数和(自身を含む): 4985487360

約数和(自身を除く): 3705046380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 71, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 142, 156, 180, 182, 189, 195, 210, 213, 234, 252, 260, 270, 273, 284, 315, 351, 355, 364, 367, 378, 390, 420, 426, 455, 468, 497, 540, 546, 585, 630, 639, 702, 710, 734, 756, 780, 819, 852, 910, 923, 945, 994, 1065, 1092, 1101, 1170, 1260, 1278, 1365, 1404, 1420, 1468, 1491, 1638, 1755, 1820, 1835, 1846, 1890, 1917, 1988, 2130, 2202, 2340, 2457, 2485, 2556, 2569, 2730, 2769, 2982, 3195, 3276, 3303, 3510, 3670, 3692, 3780, 3834, 4095, 4260, 4404, 4473, 4615, 4771, 4914, 4970, 5138, 5460, 5505, 5538, 5964, 6390, 6461, 6606, 7020, 7340, 7455, 7668, 7707, 8190, 8307, 8946, 9230, 9542, 9585, 9828, 9909, 9940, 10276, 11010, 11076, 12285, 12780, 12845, 12922, 13212, 13419, 13845, 14313, 14910, 15414, 16380, 16515, 16614, 17892, 18460, 19084, 19170, 19383, 19818, 22020, 22365, 23121, 23855, 24570, 24921, 25690, 25844, 26057, 26838, 27690, 28626, 29820, 30828, 32305, 33030, 33228, 33397, 38340, 38535, 38766, 39636, 41535, 42939, 44730, 46242, 47710, 49140, 49545, 49842, 51380, 52114, 53676, 55380, 57252, 58149, 64610, 66060, 66794, 67095, 69363, 71565, 77070, 77532, 78171, 83070, 85878, 89460, 92484, 95420, 96915, 99090, 99684, 100191, 104228, 115605, 116298, 124605, 128817, 129220, 130285, 133588, 134190, 138726, 143130, 154140, 156342, 166140, 166985, 171756, 174447, 182399, 193830, 198180, 200382, 214695, 231210, 232596, 234513, 249210, 257634, 260570, 268380, 277452, 286260, 290745, 300573, 312684, 333970, 338741, 346815, 348894, 364798, 387660, 390855, 400764, 429390, 462420, 469026, 498420, 500955, 515268, 521140, 547197, 581490, 601146, 644085, 667940, 677482, 693630, 697788, 703539, 729596, 781710, 858780, 872235, 901719, 911995, 938052, 1001910, 1016223, 1094394, 1162980, 1172565, 1202292, 1288170, 1354964, 1387260, 1407078, 1502865, 1563420, 1641591, 1693705, 1744470, 1803438, 1823990, 2003820, 2032446, 2188788, 2345130, 2371187, 2576340, 2735985, 2814156, 3005730, 3048669, 3283182, 3387410, 3488940, 3517695, 3606876, 3647980, 4064892, 4508595, 4690260, 4742374, 4924773, 5081115, 5471970, 6011460, 6097338, 6566364, 6774820, 7035390, 7113561, 8207955, 9017190, 9146007, 9484748, 9849546, 10162230, 10943940, 11855935, 12194676, 14070780, 14227122, 15243345, 16415910, 18034380, 18292014, 19699092, 20324460, 21340683, 23711870, 24623865, 28454244, 30486690, 32831820, 35567805, 36584028, 42681366, 45730035, 47423740, 49247730, 60973380, 64022049, 71135610, 85362732, 91460070, 98495460, 106703415, 128044098, 142271220, 182920140, 213406830, 256088196, 320110245, 426813660, 640220490, 1280440980]

約数ペア:

[(1, 1280440980), (2, 640220490), (3, 426813660), (4, 320110245), (5, 256088196), (6, 213406830), (7, 182920140), (9, 142271220), (10, 128044098), (12, 106703415), (13, 98495460), (14, 91460070), (15, 85362732), (18, 71135610), (20, 64022049), (21, 60973380), (26, 49247730), (27, 47423740), (28, 45730035), (30, 42681366), (35, 36584028), (36, 35567805), (39, 32831820), (42, 30486690), (45, 28454244), (52, 24623865), (54, 23711870), (60, 21340683), (63, 20324460), (65, 19699092), (70, 18292014), (71, 18034380), (78, 16415910), (84, 15243345), (90, 14227122), (91, 14070780), (105, 12194676), (108, 11855935), (117, 10943940), (126, 10162230), (130, 9849546), (135, 9484748), (140, 9146007), (142, 9017190), (156, 8207955), (180, 7113561), (182, 7035390), (189, 6774820), (195, 6566364), (210, 6097338), (213, 6011460), (234, 5471970), (252, 5081115), (260, 4924773), (270, 4742374), (273, 4690260), (284, 4508595), (315, 4064892), (351, 3647980), (355, 3606876), (364, 3517695), (367, 3488940), (378, 3387410), (390, 3283182), (420, 3048669), (426, 3005730), (455, 2814156), (468, 2735985), (497, 2576340), (540, 2371187), (546, 2345130), (585, 2188788), (630, 2032446), (639, 2003820), (702, 1823990), (710, 1803438), (734, 1744470), (756, 1693705), (780, 1641591), (819, 1563420), (852, 1502865), (910, 1407078), (923, 1387260), (945, 1354964), (994, 1288170), (1065, 1202292), (1092, 1172565), (1101, 1162980), (1170, 1094394), (1260, 1016223), (1278, 1001910), (1365, 938052), (1404, 911995), (1420, 901719), (1468, 872235), (1491, 858780), (1638, 781710), (1755, 729596), (1820, 703539), (1835, 697788), (1846, 693630), (1890, 677482), (1917, 667940), (1988, 644085), (2130, 601146), (2202, 581490), (2340, 547197), (2457, 521140), (2485, 515268), (2556, 500955), (2569, 498420), (2730, 469026), (2769, 462420), (2982, 429390), (3195, 400764), (3276, 390855), (3303, 387660), (3510, 364798), (3670, 348894), (3692, 346815), (3780, 338741), (3834, 333970), (4095, 312684), (4260, 300573), (4404, 290745), (4473, 286260), (4615, 277452), (4771, 268380), (4914, 260570), (4970, 257634), (5138, 249210), (5460, 234513), (5505, 232596), (5538, 231210), (5964, 214695), (6390, 200382), (6461, 198180), (6606, 193830), (7020, 182399), (7340, 174447), (7455, 171756), (7668, 166985), (7707, 166140), (8190, 156342), (8307, 154140), (8946, 143130), (9230, 138726), (9542, 134190), (9585, 133588), (9828, 130285), (9909, 129220), (9940, 128817), (10276, 124605), (11010, 116298), (11076, 115605), (12285, 104228), (12780, 100191), (12845, 99684), (12922, 99090), (13212, 96915), (13419, 95420), (13845, 92484), (14313, 89460), (14910, 85878), (15414, 83070), (16380, 78171), (16515, 77532), (16614, 77070), (17892, 71565), (18460, 69363), (19084, 67095), (19170, 66794), (19383, 66060), (19818, 64610), (22020, 58149), (22365, 57252), (23121, 55380), (23855, 53676), (24570, 52114), (24921, 51380), (25690, 49842), (25844, 49545), (26057, 49140), (26838, 47710), (27690, 46242), (28626, 44730), (29820, 42939), (30828, 41535), (32305, 39636), (33030, 38766), (33228, 38535), (33397, 38340)]