74134640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 105853840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 167, 179, 248, 310, 334, 358, 496, 620, 668, 716, 835, 895, 1240, 1336, 1432, 1670, 1790, 2480, 2672, 2864, 3340, 3580, 5177, 5549, 6680, 7160, 10354, 11098, 13360, 14320, 20708, 22196, 25885, 27745, 29893, 41416, 44392, 51770, 55490, 59786, 82832, 88784, 103540, 110980, 119572, 149465, 207080, 221960, 239144, 298930, 414160, 443920, 478288, 597860, 926683, 1195720, 1853366, 2391440, 3706732, 4633415, 7413464, 9266830, 14826928, 18533660, 37067320, 74134640]

約数ペア:

[(1, 74134640), (2, 37067320), (4, 18533660), (5, 14826928), (8, 9266830), (10, 7413464), (16, 4633415), (20, 3706732), (31, 2391440), (40, 1853366), (62, 1195720), (80, 926683), (124, 597860), (155, 478288), (167, 443920), (179, 414160), (248, 298930), (310, 239144), (334, 221960), (358, 207080), (496, 149465), (620, 119572), (668, 110980), (716, 103540), (835, 88784), (895, 82832), (1240, 59786), (1336, 55490), (1432, 51770), (1670, 44392), (1790, 41416), (2480, 29893), (2672, 27745), (2864, 25885), (3340, 22196), (3580, 20708), (5177, 14320), (5549, 13360), (6680, 11098), (7160, 10354)]