159818640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21481}}^1$

素因数の和:21528

約数の個数: 80

約数和(自身を含む): 511443456

約数和(自身を除く): 351624816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 21481, 42962, 64443, 85924, 107405, 128886, 171848, 214810, 257772, 322215, 343696, 429620, 515544, 644430, 665911, 859240, 1031088, 1288860, 1331822, 1718480, 1997733, 2577720, 2663644, 3329555, 3995466, 5155440, 5327288, 6659110, 7990932, 9988665, 10654576, 13318220, 15981864, 19977330, 26636440, 31963728, 39954660, 53272880, 79909320, 159818640]

約数ペア:

[(1, 159818640), (2, 79909320), (3, 53272880), (4, 39954660), (5, 31963728), (6, 26636440), (8, 19977330), (10, 15981864), (12, 13318220), (15, 10654576), (16, 9988665), (20, 7990932), (24, 6659110), (30, 5327288), (31, 5155440), (40, 3995466), (48, 3329555), (60, 2663644), (62, 2577720), (80, 1997733), (93, 1718480), (120, 1331822), (124, 1288860), (155, 1031088), (186, 859240), (240, 665911), (248, 644430), (310, 515544), (372, 429620), (465, 343696), (496, 322215), (620, 257772), (744, 214810), (930, 171848), (1240, 128886), (1488, 107405), (1860, 85924), (2480, 64443), (3720, 42962), (7440, 21481)]