159136640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:680

約数の個数: 128

約数和(自身を含む): 423601920

約数和(自身を除く): 264465280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 617, 620, 640, 806, 832, 992, 1040, 1234, 1240, 1612, 1664, 1984, 2015, 2080, 2468, 2480, 3085, 3224, 3968, 4030, 4160, 4936, 4960, 6170, 6448, 8021, 8060, 8320, 9872, 9920, 12340, 12896, 16042, 16120, 19127, 19744, 19840, 24680, 25792, 32084, 32240, 38254, 39488, 40105, 49360, 51584, 64168, 64480, 76508, 78976, 80210, 95635, 98720, 128336, 128960, 153016, 160420, 191270, 197440, 248651, 256672, 257920, 306032, 320840, 382540, 394880, 497302, 513344, 612064, 641680, 765080, 994604, 1026688, 1224128, 1243255, 1283360, 1530160, 1989208, 2448256, 2486510, 2566720, 3060320, 3978416, 4973020, 5133440, 6120640, 7956832, 9946040, 12241280, 15913664, 19892080, 31827328, 39784160, 79568320, 159136640]

約数ペア:

[(1, 159136640), (2, 79568320), (4, 39784160), (5, 31827328), (8, 19892080), (10, 15913664), (13, 12241280), (16, 9946040), (20, 7956832), (26, 6120640), (31, 5133440), (32, 4973020), (40, 3978416), (52, 3060320), (62, 2566720), (64, 2486510), (65, 2448256), (80, 1989208), (104, 1530160), (124, 1283360), (128, 1243255), (130, 1224128), (155, 1026688), (160, 994604), (208, 765080), (248, 641680), (260, 612064), (310, 513344), (320, 497302), (403, 394880), (416, 382540), (496, 320840), (520, 306032), (617, 257920), (620, 256672), (640, 248651), (806, 197440), (832, 191270), (992, 160420), (1040, 153016), (1234, 128960), (1240, 128336), (1612, 98720), (1664, 95635), (1984, 80210), (2015, 78976), (2080, 76508), (2468, 64480), (2480, 64168), (3085, 51584), (3224, 49360), (3968, 40105), (4030, 39488), (4160, 38254), (4936, 32240), (4960, 32084), (6170, 25792), (6448, 24680), (8021, 19840), (8060, 19744), (8320, 19127), (9872, 16120), (9920, 16042), (12340, 12896)]