66887860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 164898720

約数和(自身を除く): 98010860

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 37, 52, 65, 68, 74, 85, 130, 148, 170, 185, 221, 260, 340, 370, 409, 442, 481, 629, 740, 818, 884, 962, 1105, 1258, 1636, 1924, 2045, 2210, 2405, 2516, 3145, 4090, 4420, 4810, 5317, 6290, 6953, 8177, 8180, 9620, 10634, 12580, 13906, 15133, 16354, 21268, 26585, 27812, 30266, 32708, 34765, 40885, 53170, 60532, 69530, 75665, 81770, 90389, 106340, 139060, 151330, 163540, 180778, 196729, 257261, 302660, 361556, 393458, 451945, 514522, 786916, 903890, 983645, 1029044, 1286305, 1807780, 1967290, 2572610, 3344393, 3934580, 5145220, 6688786, 13377572, 16721965, 33443930, 66887860]

約数ペア:

[(1, 66887860), (2, 33443930), (4, 16721965), (5, 13377572), (10, 6688786), (13, 5145220), (17, 3934580), (20, 3344393), (26, 2572610), (34, 1967290), (37, 1807780), (52, 1286305), (65, 1029044), (68, 983645), (74, 903890), (85, 786916), (130, 514522), (148, 451945), (170, 393458), (185, 361556), (221, 302660), (260, 257261), (340, 196729), (370, 180778), (409, 163540), (442, 151330), (481, 139060), (629, 106340), (740, 90389), (818, 81770), (884, 75665), (962, 69530), (1105, 60532), (1258, 53170), (1636, 40885), (1924, 34765), (2045, 32708), (2210, 30266), (2405, 27812), (2516, 26585), (3145, 21268), (4090, 16354), (4420, 15133), (4810, 13906), (5317, 12580), (6290, 10634), (6953, 9620), (8177, 8180)]