84178440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{25981}}^1$

素因数の和:26004

約数の個数: 80

約数和(自身を含む): 282943980

約数和(自身を除く): 198765540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 25981, 51962, 77943, 103924, 129905, 155886, 207848, 233829, 259810, 311772, 389715, 467658, 519620, 623544, 701487, 779430, 935316, 1039240, 1169145, 1402974, 1558860, 1870632, 2104461, 2338290, 2805948, 3117720, 3507435, 4208922, 4676580, 5611896, 7014870, 8417844, 9353160, 10522305, 14029740, 16835688, 21044610, 28059480, 42089220, 84178440]

約数ペア:

[(1, 84178440), (2, 42089220), (3, 28059480), (4, 21044610), (5, 16835688), (6, 14029740), (8, 10522305), (9, 9353160), (10, 8417844), (12, 7014870), (15, 5611896), (18, 4676580), (20, 4208922), (24, 3507435), (27, 3117720), (30, 2805948), (36, 2338290), (40, 2104461), (45, 1870632), (54, 1558860), (60, 1402974), (72, 1169145), (81, 1039240), (90, 935316), (108, 779430), (120, 701487), (135, 623544), (162, 519620), (180, 467658), (216, 389715), (270, 311772), (324, 259810), (360, 233829), (405, 207848), (540, 155886), (648, 129905), (810, 103924), (1080, 77943), (1620, 51962), (3240, 25981)]