280736820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 384

約数和(自身を含む): 1117670400

約数和(自身を除く): 836933580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 29, 30, 35, 36, 39, 42, 45, 52, 54, 58, 60, 63, 65, 70, 78, 84, 87, 90, 91, 105, 108, 116, 117, 126, 130, 135, 140, 145, 156, 174, 180, 182, 189, 195, 197, 203, 210, 234, 252, 260, 261, 270, 273, 290, 315, 348, 351, 364, 377, 378, 390, 394, 406, 420, 435, 455, 468, 522, 540, 546, 580, 585, 591, 609, 630, 702, 754, 756, 780, 783, 788, 812, 819, 870, 910, 945, 985, 1015, 1044, 1092, 1131, 1170, 1182, 1218, 1260, 1305, 1365, 1379, 1404, 1508, 1566, 1638, 1740, 1755, 1773, 1820, 1827, 1885, 1890, 1970, 2030, 2262, 2340, 2364, 2436, 2457, 2561, 2610, 2639, 2730, 2758, 2955, 3045, 3132, 3276, 3393, 3510, 3546, 3654, 3770, 3780, 3915, 3940, 4060, 4095, 4137, 4524, 4914, 5122, 5220, 5278, 5319, 5460, 5481, 5516, 5655, 5713, 5910, 6090, 6786, 6895, 7020, 7092, 7308, 7540, 7683, 7830, 7917, 8190, 8274, 8865, 9135, 9828, 10179, 10244, 10556, 10638, 10962, 11310, 11426, 11820, 12180, 12285, 12411, 12805, 13195, 13572, 13790, 15366, 15660, 15834, 16380, 16548, 16965, 17139, 17730, 17927, 18270, 20358, 20685, 21276, 21924, 22620, 22852, 23049, 23751, 24570, 24822, 25610, 26390, 26595, 27405, 27580, 28565, 30732, 31668, 33930, 34278, 35460, 35854, 36540, 37233, 38415, 39585, 39991, 40716, 41370, 46098, 47502, 49140, 49644, 50895, 51220, 51417, 52780, 53190, 53781, 54810, 57130, 62055, 67860, 68556, 69147, 71253, 71708, 74269, 74466, 76830, 79170, 79982, 82740, 85695, 89635, 92196, 95004, 101790, 102834, 106380, 107562, 109620, 114260, 115245, 118755, 119973, 124110, 138294, 142506, 148538, 148932, 153660, 154251, 158340, 159964, 161343, 171390, 179270, 186165, 199955, 203580, 205668, 215124, 222807, 230490, 237510, 239946, 248220, 257085, 268905, 276588, 285012, 297076, 308502, 322686, 342780, 345735, 356265, 358540, 359919, 371345, 372330, 399910, 445614, 460980, 475020, 479892, 484029, 514170, 519883, 537810, 599865, 617004, 645372, 668421, 691470, 712530, 719838, 742690, 744660, 771255, 799820, 806715, 891228, 968058, 1028340, 1039766, 1075620, 1079757, 1114035, 1199730, 1336842, 1382940, 1425060, 1439676, 1485380, 1542510, 1559649, 1613430, 1799595, 1936116, 2005263, 2079532, 2159514, 2228070, 2399460, 2420145, 2599415, 2673684, 3085020, 3119298, 3226860, 3342105, 3599190, 4010526, 4319028, 4456140, 4678947, 4840290, 5198830, 5398785, 6238596, 6684210, 7198380, 7798245, 8021052, 9357894, 9680580, 10026315, 10397660, 10797570, 13368420, 14036841, 15596490, 18715788, 20052630, 21595140, 23394735, 28073682, 31192980, 40105260, 46789470, 56147364, 70184205, 93578940, 140368410, 280736820]

約数ペア:

[(1, 280736820), (2, 140368410), (3, 93578940), (4, 70184205), (5, 56147364), (6, 46789470), (7, 40105260), (9, 31192980), (10, 28073682), (12, 23394735), (13, 21595140), (14, 20052630), (15, 18715788), (18, 15596490), (20, 14036841), (21, 13368420), (26, 10797570), (27, 10397660), (28, 10026315), (29, 9680580), (30, 9357894), (35, 8021052), (36, 7798245), (39, 7198380), (42, 6684210), (45, 6238596), (52, 5398785), (54, 5198830), (58, 4840290), (60, 4678947), (63, 4456140), (65, 4319028), (70, 4010526), (78, 3599190), (84, 3342105), (87, 3226860), (90, 3119298), (91, 3085020), (105, 2673684), (108, 2599415), (116, 2420145), (117, 2399460), (126, 2228070), (130, 2159514), (135, 2079532), (140, 2005263), (145, 1936116), (156, 1799595), (174, 1613430), (180, 1559649), (182, 1542510), (189, 1485380), (195, 1439676), (197, 1425060), (203, 1382940), (210, 1336842), (234, 1199730), (252, 1114035), (260, 1079757), (261, 1075620), (270, 1039766), (273, 1028340), (290, 968058), (315, 891228), (348, 806715), (351, 799820), (364, 771255), (377, 744660), (378, 742690), (390, 719838), (394, 712530), (406, 691470), (420, 668421), (435, 645372), (455, 617004), (468, 599865), (522, 537810), (540, 519883), (546, 514170), (580, 484029), (585, 479892), (591, 475020), (609, 460980), (630, 445614), (702, 399910), (754, 372330), (756, 371345), (780, 359919), (783, 358540), (788, 356265), (812, 345735), (819, 342780), (870, 322686), (910, 308502), (945, 297076), (985, 285012), (1015, 276588), (1044, 268905), (1092, 257085), (1131, 248220), (1170, 239946), (1182, 237510), (1218, 230490), (1260, 222807), (1305, 215124), (1365, 205668), (1379, 203580), (1404, 199955), (1508, 186165), (1566, 179270), (1638, 171390), (1740, 161343), (1755, 159964), (1773, 158340), (1820, 154251), (1827, 153660), (1885, 148932), (1890, 148538), (1970, 142506), (2030, 138294), (2262, 124110), (2340, 119973), (2364, 118755), (2436, 115245), (2457, 114260), (2561, 109620), (2610, 107562), (2639, 106380), (2730, 102834), (2758, 101790), (2955, 95004), (3045, 92196), (3132, 89635), (3276, 85695), (3393, 82740), (3510, 79982), (3546, 79170), (3654, 76830), (3770, 74466), (3780, 74269), (3915, 71708), (3940, 71253), (4060, 69147), (4095, 68556), (4137, 67860), (4524, 62055), (4914, 57130), (5122, 54810), (5220, 53781), (5278, 53190), (5319, 52780), (5460, 51417), (5481, 51220), (5516, 50895), (5655, 49644), (5713, 49140), (5910, 47502), (6090, 46098), (6786, 41370), (6895, 40716), (7020, 39991), (7092, 39585), (7308, 38415), (7540, 37233), (7683, 36540), (7830, 35854), (7917, 35460), (8190, 34278), (8274, 33930), (8865, 31668), (9135, 30732), (9828, 28565), (10179, 27580), (10244, 27405), (10556, 26595), (10638, 26390), (10962, 25610), (11310, 24822), (11426, 24570), (11820, 23751), (12180, 23049), (12285, 22852), (12411, 22620), (12805, 21924), (13195, 21276), (13572, 20685), (13790, 20358), (15366, 18270), (15660, 17927), (15834, 17730), (16380, 17139), (16548, 16965)]