1822480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:152

約数の個数: 80

約数和(自身を含む): 4910400

約数和(自身を除く): 3087920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 109, 110, 152, 176, 190, 209, 218, 220, 304, 380, 418, 436, 440, 545, 760, 836, 872, 880, 1045, 1090, 1199, 1520, 1672, 1744, 2071, 2090, 2180, 2398, 3344, 4142, 4180, 4360, 4796, 5995, 8284, 8360, 8720, 9592, 10355, 11990, 16568, 16720, 19184, 20710, 22781, 23980, 33136, 41420, 45562, 47960, 82840, 91124, 95920, 113905, 165680, 182248, 227810, 364496, 455620, 911240, 1822480]

約数ペア:

[(1, 1822480), (2, 911240), (4, 455620), (5, 364496), (8, 227810), (10, 182248), (11, 165680), (16, 113905), (19, 95920), (20, 91124), (22, 82840), (38, 47960), (40, 45562), (44, 41420), (55, 33136), (76, 23980), (80, 22781), (88, 20710), (95, 19184), (109, 16720), (110, 16568), (152, 11990), (176, 10355), (190, 9592), (209, 8720), (218, 8360), (220, 8284), (304, 5995), (380, 4796), (418, 4360), (436, 4180), (440, 4142), (545, 3344), (760, 2398), (836, 2180), (872, 2090), (880, 2071), (1045, 1744), (1090, 1672), (1199, 1520)]