128465480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:679

約数の個数: 128

約数和(自身を含む): 349332480

約数和(自身を除く): 220867000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 37, 40, 44, 52, 55, 65, 74, 88, 104, 110, 130, 143, 148, 185, 220, 260, 286, 296, 370, 407, 440, 481, 520, 572, 607, 715, 740, 814, 962, 1144, 1214, 1430, 1480, 1628, 1924, 2035, 2405, 2428, 2860, 3035, 3256, 3848, 4070, 4810, 4856, 5291, 5720, 6070, 6677, 7891, 8140, 9620, 10582, 12140, 13354, 15782, 16280, 19240, 21164, 22459, 24280, 26455, 26708, 31564, 33385, 39455, 42328, 44918, 52910, 53416, 63128, 66770, 78910, 86801, 89836, 105820, 112295, 133540, 157820, 173602, 179672, 211640, 224590, 247049, 267080, 291967, 315640, 347204, 434005, 449180, 494098, 583934, 694408, 868010, 898360, 988196, 1167868, 1235245, 1459835, 1736020, 1976392, 2335736, 2470490, 2919670, 3211637, 3472040, 4940980, 5839340, 6423274, 9881960, 11678680, 12846548, 16058185, 25693096, 32116370, 64232740, 128465480]

約数ペア:

[(1, 128465480), (2, 64232740), (4, 32116370), (5, 25693096), (8, 16058185), (10, 12846548), (11, 11678680), (13, 9881960), (20, 6423274), (22, 5839340), (26, 4940980), (37, 3472040), (40, 3211637), (44, 2919670), (52, 2470490), (55, 2335736), (65, 1976392), (74, 1736020), (88, 1459835), (104, 1235245), (110, 1167868), (130, 988196), (143, 898360), (148, 868010), (185, 694408), (220, 583934), (260, 494098), (286, 449180), (296, 434005), (370, 347204), (407, 315640), (440, 291967), (481, 267080), (520, 247049), (572, 224590), (607, 211640), (715, 179672), (740, 173602), (814, 157820), (962, 133540), (1144, 112295), (1214, 105820), (1430, 89836), (1480, 86801), (1628, 78910), (1924, 66770), (2035, 63128), (2405, 53416), (2428, 52910), (2860, 44918), (3035, 42328), (3256, 39455), (3848, 33385), (4070, 31564), (4810, 26708), (4856, 26455), (5291, 24280), (5720, 22459), (6070, 21164), (6677, 19240), (7891, 16280), (8140, 15782), (9620, 13354), (10582, 12140)]