1807280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 80

約数和(自身を含む): 4687200

約数和(自身を除く): 2879920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 41, 58, 76, 80, 82, 95, 116, 145, 152, 164, 190, 205, 232, 290, 304, 328, 380, 410, 464, 551, 580, 656, 760, 779, 820, 1102, 1160, 1189, 1520, 1558, 1640, 2204, 2320, 2378, 2755, 3116, 3280, 3895, 4408, 4756, 5510, 5945, 6232, 7790, 8816, 9512, 11020, 11890, 12464, 15580, 19024, 22040, 22591, 23780, 31160, 44080, 45182, 47560, 62320, 90364, 95120, 112955, 180728, 225910, 361456, 451820, 903640, 1807280]

約数ペア:

[(1, 1807280), (2, 903640), (4, 451820), (5, 361456), (8, 225910), (10, 180728), (16, 112955), (19, 95120), (20, 90364), (29, 62320), (38, 47560), (40, 45182), (41, 44080), (58, 31160), (76, 23780), (80, 22591), (82, 22040), (95, 19024), (116, 15580), (145, 12464), (152, 11890), (164, 11020), (190, 9512), (205, 8816), (232, 7790), (290, 6232), (304, 5945), (328, 5510), (380, 4756), (410, 4408), (464, 3895), (551, 3280), (580, 3116), (656, 2755), (760, 2378), (779, 2320), (820, 2204), (1102, 1640), (1160, 1558), (1189, 1520)]