78625960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 218764800

約数和(自身を除く): 140138840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 92, 115, 116, 140, 145, 161, 184, 203, 230, 232, 280, 290, 322, 406, 421, 460, 580, 644, 667, 805, 812, 842, 920, 1015, 1160, 1288, 1334, 1610, 1624, 1684, 2030, 2105, 2668, 2947, 3220, 3335, 3368, 4060, 4210, 4669, 5336, 5894, 6440, 6670, 8120, 8420, 9338, 9683, 11788, 12209, 13340, 14735, 16840, 18676, 19366, 23345, 23576, 24418, 26680, 29470, 37352, 38732, 46690, 48415, 48836, 58940, 61045, 67781, 77464, 85463, 93380, 96830, 97672, 117880, 122090, 135562, 170926, 186760, 193660, 244180, 271124, 280807, 338905, 341852, 387320, 427315, 488360, 542248, 561614, 677810, 683704, 854630, 1123228, 1355620, 1404035, 1709260, 1965649, 2246456, 2711240, 2808070, 3418520, 3931298, 5616140, 7862596, 9828245, 11232280, 15725192, 19656490, 39312980, 78625960]

約数ペア:

[(1, 78625960), (2, 39312980), (4, 19656490), (5, 15725192), (7, 11232280), (8, 9828245), (10, 7862596), (14, 5616140), (20, 3931298), (23, 3418520), (28, 2808070), (29, 2711240), (35, 2246456), (40, 1965649), (46, 1709260), (56, 1404035), (58, 1355620), (70, 1123228), (92, 854630), (115, 683704), (116, 677810), (140, 561614), (145, 542248), (161, 488360), (184, 427315), (203, 387320), (230, 341852), (232, 338905), (280, 280807), (290, 271124), (322, 244180), (406, 193660), (421, 186760), (460, 170926), (580, 135562), (644, 122090), (667, 117880), (805, 97672), (812, 96830), (842, 93380), (920, 85463), (1015, 77464), (1160, 67781), (1288, 61045), (1334, 58940), (1610, 48836), (1624, 48415), (1684, 46690), (2030, 38732), (2105, 37352), (2668, 29470), (2947, 26680), (3220, 24418), (3335, 23576), (3368, 23345), (4060, 19366), (4210, 18676), (4669, 16840), (5336, 14735), (5894, 13340), (6440, 12209), (6670, 11788), (8120, 9683), (8420, 9338)]