121391920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{773}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 306355392

約数和(自身を除く): 184963472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 151, 208, 260, 302, 520, 604, 755, 773, 1040, 1208, 1510, 1546, 1963, 2416, 3020, 3092, 3865, 3926, 6040, 6184, 7730, 7852, 9815, 10049, 12080, 12368, 15460, 15704, 19630, 20098, 30920, 31408, 39260, 40196, 50245, 61840, 78520, 80392, 100490, 116723, 157040, 160784, 200980, 233446, 401960, 466892, 583615, 803920, 933784, 1167230, 1517399, 1867568, 2334460, 3034798, 4668920, 6069596, 7586995, 9337840, 12139192, 15173990, 24278384, 30347980, 60695960, 121391920]

約数ペア:

[(1, 121391920), (2, 60695960), (4, 30347980), (5, 24278384), (8, 15173990), (10, 12139192), (13, 9337840), (16, 7586995), (20, 6069596), (26, 4668920), (40, 3034798), (52, 2334460), (65, 1867568), (80, 1517399), (104, 1167230), (130, 933784), (151, 803920), (208, 583615), (260, 466892), (302, 401960), (520, 233446), (604, 200980), (755, 160784), (773, 157040), (1040, 116723), (1208, 100490), (1510, 80392), (1546, 78520), (1963, 61840), (2416, 50245), (3020, 40196), (3092, 39260), (3865, 31408), (3926, 30920), (6040, 20098), (6184, 19630), (7730, 15704), (7852, 15460), (9815, 12368), (10049, 12080)]