18988440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2003}}^1$

素因数の和:2096

約数の個数: 64

約数和(自身を含む): 57715200

約数和(自身を除く): 38726760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2003, 2370, 3160, 4006, 4740, 6009, 8012, 9480, 10015, 12018, 16024, 20030, 24036, 30045, 40060, 48072, 60090, 80120, 120180, 158237, 240360, 316474, 474711, 632948, 791185, 949422, 1265896, 1582370, 1898844, 2373555, 3164740, 3797688, 4747110, 6329480, 9494220, 18988440]

約数ペア:

[(1, 18988440), (2, 9494220), (3, 6329480), (4, 4747110), (5, 3797688), (6, 3164740), (8, 2373555), (10, 1898844), (12, 1582370), (15, 1265896), (20, 949422), (24, 791185), (30, 632948), (40, 474711), (60, 316474), (79, 240360), (120, 158237), (158, 120180), (237, 80120), (316, 60090), (395, 48072), (474, 40060), (632, 30045), (790, 24036), (948, 20030), (1185, 16024), (1580, 12018), (1896, 10015), (2003, 9480), (2370, 8012), (3160, 6009), (4006, 4740)]