128759220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79481}}^1$

素因数の和:79502

約数の個数: 60

約数和(自身を含む): 403927524

約数和(自身を除く): 275168304

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 79481, 158962, 238443, 317924, 397405, 476886, 715329, 794810, 953772, 1192215, 1430658, 1589620, 2145987, 2384430, 2861316, 3576645, 4291974, 4768860, 6437961, 7153290, 8583948, 10729935, 12875922, 14306580, 21459870, 25751844, 32189805, 42919740, 64379610, 128759220]

約数ペア:

[(1, 128759220), (2, 64379610), (3, 42919740), (4, 32189805), (5, 25751844), (6, 21459870), (9, 14306580), (10, 12875922), (12, 10729935), (15, 8583948), (18, 7153290), (20, 6437961), (27, 4768860), (30, 4291974), (36, 3576645), (45, 2861316), (54, 2384430), (60, 2145987), (81, 1589620), (90, 1430658), (108, 1192215), (135, 953772), (162, 794810), (180, 715329), (270, 476886), (324, 397405), (405, 317924), (540, 238443), (810, 158962), (1620, 79481)]