31440630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4243}}^1$

素因数の和:4285

約数の個数: 64

約数和(自身を含む): 85559040

約数和(自身を除く): 54118410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 3705, 4243, 7410, 8486, 12729, 21215, 25458, 42430, 55159, 63645, 80617, 110318, 127290, 161234, 165477, 241851, 275795, 330954, 403085, 483702, 551590, 806170, 827385, 1048021, 1209255, 1654770, 2096042, 2418510, 3144063, 5240105, 6288126, 10480210, 15720315, 31440630]

約数ペア:

[(1, 31440630), (2, 15720315), (3, 10480210), (5, 6288126), (6, 5240105), (10, 3144063), (13, 2418510), (15, 2096042), (19, 1654770), (26, 1209255), (30, 1048021), (38, 827385), (39, 806170), (57, 551590), (65, 483702), (78, 403085), (95, 330954), (114, 275795), (130, 241851), (190, 165477), (195, 161234), (247, 127290), (285, 110318), (390, 80617), (494, 63645), (570, 55159), (741, 42430), (1235, 25458), (1482, 21215), (2470, 12729), (3705, 8486), (4243, 7410)]