640482630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{14653}}^1$

素因数の和:14741

約数の個数: 64

約数和(自身を含む): 1620615168

約数和(自身を除く): 980132538

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 47, 62, 93, 94, 141, 155, 186, 235, 282, 310, 465, 470, 705, 930, 1410, 1457, 2914, 4371, 7285, 8742, 14570, 14653, 21855, 29306, 43710, 43959, 73265, 87918, 146530, 219795, 439590, 454243, 688691, 908486, 1362729, 1377382, 2066073, 2271215, 2725458, 3443455, 4132146, 4542430, 6813645, 6886910, 10330365, 13627290, 20660730, 21349421, 42698842, 64048263, 106747105, 128096526, 213494210, 320241315, 640482630]

約数ペア:

[(1, 640482630), (2, 320241315), (3, 213494210), (5, 128096526), (6, 106747105), (10, 64048263), (15, 42698842), (30, 21349421), (31, 20660730), (47, 13627290), (62, 10330365), (93, 6886910), (94, 6813645), (141, 4542430), (155, 4132146), (186, 3443455), (235, 2725458), (282, 2271215), (310, 2066073), (465, 1377382), (470, 1362729), (705, 908486), (930, 688691), (1410, 454243), (1457, 439590), (2914, 219795), (4371, 146530), (7285, 87918), (8742, 73265), (14570, 43959), (14653, 43710), (21855, 29306)]