320831680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:594

約数の個数: 112

約数和(自身を含む): 828775584

約数和(自身を除く): 507943904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 233, 260, 320, 331, 416, 466, 520, 662, 832, 932, 1040, 1165, 1324, 1655, 1864, 2080, 2330, 2648, 3029, 3310, 3728, 4160, 4303, 4660, 5296, 6058, 6620, 7456, 8606, 9320, 10592, 12116, 13240, 14912, 15145, 17212, 18640, 21184, 21515, 24232, 26480, 30290, 34424, 37280, 43030, 48464, 52960, 60580, 68848, 74560, 77123, 86060, 96928, 105920, 121160, 137696, 154246, 172120, 193856, 242320, 275392, 308492, 344240, 385615, 484640, 616984, 688480, 771230, 969280, 1002599, 1233968, 1376960, 1542460, 2005198, 2467936, 3084920, 4010396, 4935872, 5012995, 6169840, 8020792, 10025990, 12339680, 16041584, 20051980, 24679360, 32083168, 40103960, 64166336, 80207920, 160415840, 320831680]

約数ペア:

[(1, 320831680), (2, 160415840), (4, 80207920), (5, 64166336), (8, 40103960), (10, 32083168), (13, 24679360), (16, 20051980), (20, 16041584), (26, 12339680), (32, 10025990), (40, 8020792), (52, 6169840), (64, 5012995), (65, 4935872), (80, 4010396), (104, 3084920), (130, 2467936), (160, 2005198), (208, 1542460), (233, 1376960), (260, 1233968), (320, 1002599), (331, 969280), (416, 771230), (466, 688480), (520, 616984), (662, 484640), (832, 385615), (932, 344240), (1040, 308492), (1165, 275392), (1324, 242320), (1655, 193856), (1864, 172120), (2080, 154246), (2330, 137696), (2648, 121160), (3029, 105920), (3310, 96928), (3728, 86060), (4160, 77123), (4303, 74560), (4660, 68848), (5296, 60580), (6058, 52960), (6620, 48464), (7456, 43030), (8606, 37280), (9320, 34424), (10592, 30290), (12116, 26480), (13240, 24232), (14912, 21515), (15145, 21184), (17212, 18640)]