28305990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2614

約数の個数: 64

約数和(自身を含む): 77353920

約数和(自身を除く): 49047930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 82, 90, 123, 135, 205, 246, 270, 369, 410, 615, 738, 1107, 1230, 1845, 2214, 2557, 3690, 5114, 5535, 7671, 11070, 12785, 15342, 23013, 25570, 38355, 46026, 69039, 76710, 104837, 115065, 138078, 209674, 230130, 314511, 345195, 524185, 629022, 690390, 943533, 1048370, 1572555, 1887066, 2830599, 3145110, 4717665, 5661198, 9435330, 14152995, 28305990]

約数ペア:

[(1, 28305990), (2, 14152995), (3, 9435330), (5, 5661198), (6, 4717665), (9, 3145110), (10, 2830599), (15, 1887066), (18, 1572555), (27, 1048370), (30, 943533), (41, 690390), (45, 629022), (54, 524185), (82, 345195), (90, 314511), (123, 230130), (135, 209674), (205, 138078), (246, 115065), (270, 104837), (369, 76710), (410, 69039), (615, 46026), (738, 38355), (1107, 25570), (1230, 23013), (1845, 15342), (2214, 12785), (2557, 11070), (3690, 7671), (5114, 5535)]