73139920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1148

約数の個数: 80

約数和(自身を含む): 196023168

約数和(自身を除く): 122883248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 997, 1048, 1310, 1834, 1994, 2096, 2620, 3668, 3988, 4585, 4985, 5240, 6979, 7336, 7976, 9170, 9970, 10480, 13958, 14672, 15952, 18340, 19940, 27916, 34895, 36680, 39880, 55832, 69790, 73360, 79760, 111664, 130607, 139580, 261214, 279160, 522428, 558320, 653035, 914249, 1044856, 1306070, 1828498, 2089712, 2612140, 3656996, 4571245, 5224280, 7313992, 9142490, 10448560, 14627984, 18284980, 36569960, 73139920]

約数ペア:

[(1, 73139920), (2, 36569960), (4, 18284980), (5, 14627984), (7, 10448560), (8, 9142490), (10, 7313992), (14, 5224280), (16, 4571245), (20, 3656996), (28, 2612140), (35, 2089712), (40, 1828498), (56, 1306070), (70, 1044856), (80, 914249), (112, 653035), (131, 558320), (140, 522428), (262, 279160), (280, 261214), (524, 139580), (560, 130607), (655, 111664), (917, 79760), (997, 73360), (1048, 69790), (1310, 55832), (1834, 39880), (1994, 36680), (2096, 34895), (2620, 27916), (3668, 19940), (3988, 18340), (4585, 15952), (4985, 14672), (5240, 13958), (6979, 10480), (7336, 9970), (7976, 9170)]