66339460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 155514240

約数和(自身を除く): 89174780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 121, 158, 220, 242, 316, 347, 395, 484, 605, 694, 790, 869, 1210, 1388, 1580, 1735, 1738, 2420, 3470, 3476, 3817, 4345, 6940, 7634, 8690, 9559, 15268, 17380, 19085, 19118, 27413, 38170, 38236, 41987, 47795, 54826, 76340, 83974, 95590, 109652, 137065, 167948, 191180, 209935, 274130, 301543, 419870, 548260, 603086, 839740, 1206172, 1507715, 3015430, 3316973, 6030860, 6633946, 13267892, 16584865, 33169730, 66339460]

約数ペア:

[(1, 66339460), (2, 33169730), (4, 16584865), (5, 13267892), (10, 6633946), (11, 6030860), (20, 3316973), (22, 3015430), (44, 1507715), (55, 1206172), (79, 839740), (110, 603086), (121, 548260), (158, 419870), (220, 301543), (242, 274130), (316, 209935), (347, 191180), (395, 167948), (484, 137065), (605, 109652), (694, 95590), (790, 83974), (869, 76340), (1210, 54826), (1388, 47795), (1580, 41987), (1735, 38236), (1738, 38170), (2420, 27413), (3470, 19118), (3476, 19085), (3817, 17380), (4345, 15268), (6940, 9559), (7634, 8690)]