12781860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2341}}^1$

素因数の和:2373

約数の個数: 96

約数和(自身を含む): 44067072

約数和(自身を除く): 31285212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2341, 2730, 4682, 5460, 7023, 9364, 11705, 14046, 16387, 23410, 28092, 30433, 32774, 35115, 46820, 49161, 60866, 65548, 70230, 81935, 91299, 98322, 121732, 140460, 152165, 163870, 182598, 196644, 213031, 245805, 304330, 327740, 365196, 426062, 456495, 491610, 608660, 639093, 852124, 912990, 983220, 1065155, 1278186, 1825980, 2130310, 2556372, 3195465, 4260620, 6390930, 12781860]

約数ペア:

[(1, 12781860), (2, 6390930), (3, 4260620), (4, 3195465), (5, 2556372), (6, 2130310), (7, 1825980), (10, 1278186), (12, 1065155), (13, 983220), (14, 912990), (15, 852124), (20, 639093), (21, 608660), (26, 491610), (28, 456495), (30, 426062), (35, 365196), (39, 327740), (42, 304330), (52, 245805), (60, 213031), (65, 196644), (70, 182598), (78, 163870), (84, 152165), (91, 140460), (105, 121732), (130, 98322), (140, 91299), (156, 81935), (182, 70230), (195, 65548), (210, 60866), (260, 49161), (273, 46820), (364, 35115), (390, 32774), (420, 30433), (455, 28092), (546, 23410), (780, 16387), (910, 14046), (1092, 11705), (1365, 9364), (1820, 7023), (2341, 5460), (2730, 4682)]