68478800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1013}}^1$

素因数の和:1057

約数の個数: 90

約数和(自身を含む): 178325082

約数和(自身を除く): 109846282

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 400, 520, 650, 676, 845, 1013, 1040, 1300, 1352, 1690, 2026, 2600, 2704, 3380, 4052, 4225, 5065, 5200, 6760, 8104, 8450, 10130, 13169, 13520, 16208, 16900, 20260, 25325, 26338, 33800, 40520, 50650, 52676, 65845, 67600, 81040, 101300, 105352, 131690, 171197, 202600, 210704, 263380, 329225, 342394, 405200, 526760, 658450, 684788, 855985, 1053520, 1316900, 1369576, 1711970, 2633800, 2739152, 3423940, 4279925, 5267600, 6847880, 8559850, 13695760, 17119700, 34239400, 68478800]

約数ペア:

[(1, 68478800), (2, 34239400), (4, 17119700), (5, 13695760), (8, 8559850), (10, 6847880), (13, 5267600), (16, 4279925), (20, 3423940), (25, 2739152), (26, 2633800), (40, 1711970), (50, 1369576), (52, 1316900), (65, 1053520), (80, 855985), (100, 684788), (104, 658450), (130, 526760), (169, 405200), (200, 342394), (208, 329225), (260, 263380), (325, 210704), (338, 202600), (400, 171197), (520, 131690), (650, 105352), (676, 101300), (845, 81040), (1013, 67600), (1040, 65845), (1300, 52676), (1352, 50650), (1690, 40520), (2026, 33800), (2600, 26338), (2704, 25325), (3380, 20260), (4052, 16900), (4225, 16208), (5065, 13520), (5200, 13169), (6760, 10130), (8104, 8450)]