72558910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 144506880

約数和(自身を除く): 71947970

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 97, 127, 155, 190, 194, 254, 310, 485, 589, 635, 970, 1178, 1270, 1843, 2413, 2945, 3007, 3686, 3937, 4826, 5890, 6014, 7874, 9215, 12065, 12319, 15035, 18430, 19685, 24130, 24638, 30070, 39370, 57133, 61595, 74803, 114266, 123190, 149606, 234061, 285665, 374015, 381889, 468122, 571330, 748030, 763778, 1170305, 1909445, 2340610, 3818890, 7255891, 14511782, 36279455, 72558910]

約数ペア:

[(1, 72558910), (2, 36279455), (5, 14511782), (10, 7255891), (19, 3818890), (31, 2340610), (38, 1909445), (62, 1170305), (95, 763778), (97, 748030), (127, 571330), (155, 468122), (190, 381889), (194, 374015), (254, 285665), (310, 234061), (485, 149606), (589, 123190), (635, 114266), (970, 74803), (1178, 61595), (1270, 57133), (1843, 39370), (2413, 30070), (2945, 24638), (3007, 24130), (3686, 19685), (3937, 18430), (4826, 15035), (5890, 12319), (6014, 12065), (7874, 9215)]