1570587980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{419}}^1\times {\mathrm{1109}}^1$

素因数の和:1563

約数の個数: 72

約数和(自身を含む): 3583213200

約数和(自身を除く): 2012625220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 419, 676, 838, 845, 1109, 1676, 1690, 2095, 2218, 3380, 4190, 4436, 5447, 5545, 8380, 10894, 11090, 14417, 21788, 22180, 27235, 28834, 54470, 57668, 70811, 72085, 108940, 141622, 144170, 187421, 283244, 288340, 354055, 374842, 464671, 708110, 749684, 929342, 937105, 1416220, 1858684, 1874210, 2323355, 3748420, 4646710, 6040723, 9293420, 12081446, 24162892, 30203615, 60407230, 78529399, 120814460, 157058798, 314117596, 392646995, 785293990, 1570587980]

約数ペア:

[(1, 1570587980), (2, 785293990), (4, 392646995), (5, 314117596), (10, 157058798), (13, 120814460), (20, 78529399), (26, 60407230), (52, 30203615), (65, 24162892), (130, 12081446), (169, 9293420), (260, 6040723), (338, 4646710), (419, 3748420), (676, 2323355), (838, 1874210), (845, 1858684), (1109, 1416220), (1676, 937105), (1690, 929342), (2095, 749684), (2218, 708110), (3380, 464671), (4190, 374842), (4436, 354055), (5447, 288340), (5545, 283244), (8380, 187421), (10894, 144170), (11090, 141622), (14417, 108940), (21788, 72085), (22180, 70811), (27235, 57668), (28834, 54470)]