71835280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 189097272

約数和(自身を除く): 117261992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 121, 164, 176, 181, 205, 220, 242, 328, 362, 410, 440, 451, 484, 605, 656, 724, 820, 880, 902, 905, 968, 1210, 1448, 1640, 1804, 1810, 1936, 1991, 2255, 2420, 2896, 3280, 3608, 3620, 3982, 4510, 4840, 4961, 7216, 7240, 7421, 7964, 9020, 9680, 9922, 9955, 14480, 14842, 15928, 18040, 19844, 19910, 21901, 24805, 29684, 31856, 36080, 37105, 39688, 39820, 43802, 49610, 59368, 74210, 79376, 79640, 81631, 87604, 99220, 109505, 118736, 148420, 159280, 163262, 175208, 198440, 219010, 296840, 326524, 350416, 396880, 408155, 438020, 593680, 653048, 816310, 876040, 897941, 1306096, 1632620, 1752080, 1795882, 3265240, 3591764, 4489705, 6530480, 7183528, 8979410, 14367056, 17958820, 35917640, 71835280]

約数ペア:

[(1, 71835280), (2, 35917640), (4, 17958820), (5, 14367056), (8, 8979410), (10, 7183528), (11, 6530480), (16, 4489705), (20, 3591764), (22, 3265240), (40, 1795882), (41, 1752080), (44, 1632620), (55, 1306096), (80, 897941), (82, 876040), (88, 816310), (110, 653048), (121, 593680), (164, 438020), (176, 408155), (181, 396880), (205, 350416), (220, 326524), (242, 296840), (328, 219010), (362, 198440), (410, 175208), (440, 163262), (451, 159280), (484, 148420), (605, 118736), (656, 109505), (724, 99220), (820, 87604), (880, 81631), (902, 79640), (905, 79376), (968, 74210), (1210, 59368), (1448, 49610), (1640, 43802), (1804, 39820), (1810, 39688), (1936, 37105), (1991, 36080), (2255, 31856), (2420, 29684), (2896, 24805), (3280, 21901), (3608, 19910), (3620, 19844), (3982, 18040), (4510, 15928), (4840, 14842), (4961, 14480), (7216, 9955), (7240, 9922), (7421, 9680), (7964, 9020)]