1640215.00000000

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 51010560

約数和(自身を除く): 30933570

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 47, 58, 87, 94, 141, 145, 174, 235, 282, 290, 435, 470, 491, 705, 870, 982, 1363, 1410, 1473, 2455, 2726, 2946, 4089, 4910, 6815, 7365, 8178, 13630, 14239, 14730, 20445, 23077, 28478, 40890, 42717, 46154, 69231, 71195, 85434, 115385, 138462, 142390, 213585, 230770, 346155, 427170, 669233, 692310, 1338466, 2007699, 3346165, 4015398, 6692330, 10038495, 20076990]

約数ペア:

[(1, 20076990), (2, 10038495), (3, 6692330), (5, 4015398), (6, 3346165), (10, 2007699), (15, 1338466), (29, 692310), (30, 669233), (47, 427170), (58, 346155), (87, 230770), (94, 213585), (141, 142390), (145, 138462), (174, 115385), (235, 85434), (282, 71195), (290, 69231), (435, 46154), (470, 42717), (491, 40890), (705, 28478), (870, 23077), (982, 20445), (1363, 14730), (1410, 14239), (1473, 13630), (2455, 8178), (2726, 7365), (2946, 6815), (4089, 4910)]