217654320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69761}}^1$

素因数の和:69790

約数の個数: 80

約数和(自身を含む): 726640992

約数和(自身を除く): 508986672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 69761, 139522, 209283, 279044, 348805, 418566, 558088, 697610, 837132, 906893, 1046415, 1116176, 1395220, 1674264, 1813786, 2092830, 2720679, 2790440, 3348528, 3627572, 4185660, 4534465, 5441358, 5580880, 7255144, 8371320, 9068930, 10882716, 13603395, 14510288, 16742640, 18137860, 21765432, 27206790, 36275720, 43530864, 54413580, 72551440, 108827160, 217654320]

約数ペア:

[(1, 217654320), (2, 108827160), (3, 72551440), (4, 54413580), (5, 43530864), (6, 36275720), (8, 27206790), (10, 21765432), (12, 18137860), (13, 16742640), (15, 14510288), (16, 13603395), (20, 10882716), (24, 9068930), (26, 8371320), (30, 7255144), (39, 5580880), (40, 5441358), (48, 4534465), (52, 4185660), (60, 3627572), (65, 3348528), (78, 2790440), (80, 2720679), (104, 2092830), (120, 1813786), (130, 1674264), (156, 1395220), (195, 1116176), (208, 1046415), (240, 906893), (260, 837132), (312, 697610), (390, 558088), (520, 418566), (624, 348805), (780, 279044), (1040, 209283), (1560, 139522), (3120, 69761)]