78604240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6871}}^1$

素因数の和:6908

約数の個数: 80

約数和(自身を含む): 214736256

約数和(自身を除く): 136132016

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 6871, 11440, 13742, 27484, 34355, 54968, 68710, 75581, 89323, 109936, 137420, 151162, 178646, 274840, 302324, 357292, 377905, 446615, 549680, 604648, 714584, 755810, 893230, 982553, 1209296, 1429168, 1511620, 1786460, 1965106, 3023240, 3572920, 3930212, 4912765, 6046480, 7145840, 7860424, 9825530, 15720848, 19651060, 39302120, 78604240]

約数ペア:

[(1, 78604240), (2, 39302120), (4, 19651060), (5, 15720848), (8, 9825530), (10, 7860424), (11, 7145840), (13, 6046480), (16, 4912765), (20, 3930212), (22, 3572920), (26, 3023240), (40, 1965106), (44, 1786460), (52, 1511620), (55, 1429168), (65, 1209296), (80, 982553), (88, 893230), (104, 755810), (110, 714584), (130, 604648), (143, 549680), (176, 446615), (208, 377905), (220, 357292), (260, 302324), (286, 274840), (440, 178646), (520, 151162), (572, 137420), (715, 109936), (880, 89323), (1040, 75581), (1144, 68710), (1430, 54968), (2288, 34355), (2860, 27484), (5720, 13742), (6871, 11440)]