81461430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4133}}^1$

素因数の和:4222

約数の個数: 64

約数和(自身を含む): 220259520

約数和(自身を除く): 138798090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 730, 1095, 1314, 1971, 2190, 3285, 3942, 4133, 6570, 8266, 9855, 12399, 19710, 20665, 24798, 37197, 41330, 61995, 74394, 111591, 123990, 185985, 223182, 301709, 371970, 557955, 603418, 905127, 1115910, 1508545, 1810254, 2715381, 3017090, 4525635, 5430762, 8146143, 9051270, 13576905, 16292286, 27153810, 40730715, 81461430]

約数ペア:

[(1, 81461430), (2, 40730715), (3, 27153810), (5, 16292286), (6, 13576905), (9, 9051270), (10, 8146143), (15, 5430762), (18, 4525635), (27, 3017090), (30, 2715381), (45, 1810254), (54, 1508545), (73, 1115910), (90, 905127), (135, 603418), (146, 557955), (219, 371970), (270, 301709), (365, 223182), (438, 185985), (657, 123990), (730, 111591), (1095, 74394), (1314, 61995), (1971, 41330), (2190, 37197), (3285, 24798), (3942, 20665), (4133, 19710), (6570, 12399), (8266, 9855)]