79568320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:678

約数の個数: 112

約数和(自身を含む): 210970368

約数和(自身を除く): 131402048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 617, 620, 806, 832, 992, 1040, 1234, 1240, 1612, 1984, 2015, 2080, 2468, 2480, 3085, 3224, 4030, 4160, 4936, 4960, 6170, 6448, 8021, 8060, 9872, 9920, 12340, 12896, 16042, 16120, 19127, 19744, 24680, 25792, 32084, 32240, 38254, 39488, 40105, 49360, 64168, 64480, 76508, 80210, 95635, 98720, 128336, 128960, 153016, 160420, 191270, 197440, 248651, 256672, 306032, 320840, 382540, 497302, 513344, 612064, 641680, 765080, 994604, 1224128, 1243255, 1283360, 1530160, 1989208, 2486510, 2566720, 3060320, 3978416, 4973020, 6120640, 7956832, 9946040, 15913664, 19892080, 39784160, 79568320]

約数ペア:

[(1, 79568320), (2, 39784160), (4, 19892080), (5, 15913664), (8, 9946040), (10, 7956832), (13, 6120640), (16, 4973020), (20, 3978416), (26, 3060320), (31, 2566720), (32, 2486510), (40, 1989208), (52, 1530160), (62, 1283360), (64, 1243255), (65, 1224128), (80, 994604), (104, 765080), (124, 641680), (130, 612064), (155, 513344), (160, 497302), (208, 382540), (248, 320840), (260, 306032), (310, 256672), (320, 248651), (403, 197440), (416, 191270), (496, 160420), (520, 153016), (617, 128960), (620, 128336), (806, 98720), (832, 95635), (992, 80210), (1040, 76508), (1234, 64480), (1240, 64168), (1612, 49360), (1984, 40105), (2015, 39488), (2080, 38254), (2468, 32240), (2480, 32084), (3085, 25792), (3224, 24680), (4030, 19744), (4160, 19127), (4936, 16120), (4960, 16042), (6170, 12896), (6448, 12340), (8021, 9920), (8060, 9872)]