1645740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 5136768

約数和(自身を除く): 3491028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 223, 246, 369, 410, 446, 492, 615, 669, 738, 820, 892, 1115, 1230, 1338, 1476, 1845, 2007, 2230, 2460, 2676, 3345, 3690, 4014, 4460, 6690, 7380, 8028, 9143, 10035, 13380, 18286, 20070, 27429, 36572, 40140, 45715, 54858, 82287, 91430, 109716, 137145, 164574, 182860, 274290, 329148, 411435, 548580, 822870, 1645740]

約数ペア:

[(1, 1645740), (2, 822870), (3, 548580), (4, 411435), (5, 329148), (6, 274290), (9, 182860), (10, 164574), (12, 137145), (15, 109716), (18, 91430), (20, 82287), (30, 54858), (36, 45715), (41, 40140), (45, 36572), (60, 27429), (82, 20070), (90, 18286), (123, 13380), (164, 10035), (180, 9143), (205, 8028), (223, 7380), (246, 6690), (369, 4460), (410, 4014), (446, 3690), (492, 3345), (615, 2676), (669, 2460), (738, 2230), (820, 2007), (892, 1845), (1115, 1476), (1230, 1338)]