247714740

素因数分解:

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

素因数の和:180

約数の個数: 288

約数和(自身を含む): 962062080

約数和(自身を除く): 714347340

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, 378, 390, 420, 426, 455, 468, 497, 540, 546, 585, 630, 639, 702, 710, 756, 780, 819, 852, 910, 923, 945, 994, 1065, 1092, 1170, 1260, 1278, 1365, 1404, 1420, 1491, 1638, 1755, 1820, 1846, 1890, 1917, 1988, 2130, 2340, 2457, 2485, 2556, 2730, 2769, 2982, 3195, 3276, 3510, 3692, 3780, 3834, 4095, 4260, 4473, 4615, 4914, 4970, 5041, 5460, 5538, 5964, 6390, 6461, 7020, 7455, 7668, 8190, 8307, 8946, 9230, 9585, 9828, 9940, 10082, 11076, 12285, 12780, 12922, 13419, 13845, 14910, 15123, 16380, 16614, 17892, 18460, 19170, 19383, 20164, 22365, 24570, 24921, 25205, 25844, 26838, 27690, 29820, 30246, 32305, 33228, 35287, 38340, 38766, 41535, 44730, 45369, 49140, 49842, 50410, 53676, 55380, 58149, 60492, 64610, 65533, 67095, 70574, 75615, 77532, 83070, 89460, 90738, 96915, 99684, 100820, 105861, 116298, 124605, 129220, 131066, 134190, 136107, 141148, 151230, 166140, 174447, 176435, 181476, 193830, 196599, 211722, 226845, 232596, 249210, 262132, 268380, 272214, 290745, 302460, 317583, 327665, 348894, 352870, 387660, 393198, 423444, 453690, 458731, 498420, 529305, 544428, 581490, 589797, 635166, 655330, 680535, 697788, 705740, 786396, 872235, 907380, 917462, 952749, 982995, 1058610, 1162980, 1179594, 1270332, 1310660, 1361070, 1376193, 1587915, 1744470, 1769391, 1834924, 1905498, 1965990, 2117220, 2293655, 2359188, 2722140, 2752386, 2948985, 3175830, 3488940, 3538782, 3810996, 3931980, 4128579, 4587310, 4763745, 5504772, 5897970, 6351660, 6880965, 7077564, 8257158, 8846955, 9174620, 9527490, 11795940, 12385737, 13761930, 16514316, 17693910, 19054980, 20642895, 24771474, 27523860, 35387820, 41285790, 49542948, 61928685, 82571580, 123857370, 247714740]

約数ペア:

[(1, 247714740), (2, 123857370), (3, 82571580), (4, 61928685), (5, 49542948), (6, 41285790), (7, 35387820), (9, 27523860), (10, 24771474), (12, 20642895), (13, 19054980), (14, 17693910), (15, 16514316), (18, 13761930), (20, 12385737), (21, 11795940), (26, 9527490), (27, 9174620), (28, 8846955), (30, 8257158), (35, 7077564), (36, 6880965), (39, 6351660), (42, 5897970), (45, 5504772), (52, 4763745), (54, 4587310), (60, 4128579), (63, 3931980), (65, 3810996), (70, 3538782), (71, 3488940), (78, 3175830), (84, 2948985), (90, 2752386), (91, 2722140), (105, 2359188), (108, 2293655), (117, 2117220), (126, 1965990), (130, 1905498), (135, 1834924), (140, 1769391), (142, 1744470), (156, 1587915), (180, 1376193), (182, 1361070), (189, 1310660), (195, 1270332), (210, 1179594), (213, 1162980), (234, 1058610), (252, 982995), (260, 952749), (270, 917462), (273, 907380), (284, 872235), (315, 786396), (351, 705740), (355, 697788), (364, 680535), (378, 655330), (390, 635166), (420, 589797), (426, 581490), (455, 544428), (468, 529305), (497, 498420), (540, 458731), (546, 453690), (585, 423444), (630, 393198), (639, 387660), (702, 352870), (710, 348894), (756, 327665), (780, 317583), (819, 302460), (852, 290745), (910, 272214), (923, 268380), (945, 262132), (994, 249210), (1065, 232596), (1092, 226845), (1170, 211722), (1260, 196599), (1278, 193830), (1365, 181476), (1404, 176435), (1420, 174447), (1491, 166140), (1638, 151230), (1755, 141148), (1820, 136107), (1846, 134190), (1890, 131066), (1917, 129220), (1988, 124605), (2130, 116298), (2340, 105861), (2457, 100820), (2485, 99684), (2556, 96915), (2730, 90738), (2769, 89460), (2982, 83070), (3195, 77532), (3276, 75615), (3510, 70574), (3692, 67095), (3780, 65533), (3834, 64610), (4095, 60492), (4260, 58149), (4473, 55380), (4615, 53676), (4914, 50410), (4970, 49842), (5041, 49140), (5460, 45369), (5538, 44730), (5964, 41535), (6390, 38766), (6461, 38340), (7020, 35287), (7455, 33228), (7668, 32305), (8190, 30246), (8307, 29820), (8946, 27690), (9230, 26838), (9585, 25844), (9828, 25205), (9940, 24921), (10082, 24570), (11076, 22365), (12285, 20164), (12780, 19383), (12922, 19170), (13419, 18460), (13845, 17892), (14910, 16614), (15123, 16380)]