268672040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2443

約数の個数: 128

約数和(自身を含む): 768337920

約数和(自身を除く): 499665880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2381, 2821, 3224, 3640, 4030, 4340, 4762, 5642, 8060, 8680, 9524, 11284, 11905, 14105, 16120, 16667, 19048, 22568, 23810, 28210, 30953, 33334, 47620, 56420, 61906, 66668, 73811, 83335, 95240, 112840, 123812, 133336, 147622, 154765, 166670, 216671, 247624, 295244, 309530, 333340, 369055, 433342, 516677, 590488, 619060, 666680, 738110, 866684, 959543, 1033354, 1083355, 1238120, 1476220, 1733368, 1919086, 2066708, 2166710, 2583385, 2952440, 3838172, 4133416, 4333420, 4797715, 5166770, 6716801, 7676344, 8666840, 9595430, 10333540, 13433602, 19190860, 20667080, 26867204, 33584005, 38381720, 53734408, 67168010, 134336020, 268672040]

約数ペア:

[(1, 268672040), (2, 134336020), (4, 67168010), (5, 53734408), (7, 38381720), (8, 33584005), (10, 26867204), (13, 20667080), (14, 19190860), (20, 13433602), (26, 10333540), (28, 9595430), (31, 8666840), (35, 7676344), (40, 6716801), (52, 5166770), (56, 4797715), (62, 4333420), (65, 4133416), (70, 3838172), (91, 2952440), (104, 2583385), (124, 2166710), (130, 2066708), (140, 1919086), (155, 1733368), (182, 1476220), (217, 1238120), (248, 1083355), (260, 1033354), (280, 959543), (310, 866684), (364, 738110), (403, 666680), (434, 619060), (455, 590488), (520, 516677), (620, 433342), (728, 369055), (806, 333340), (868, 309530), (910, 295244), (1085, 247624), (1240, 216671), (1612, 166670), (1736, 154765), (1820, 147622), (2015, 133336), (2170, 123812), (2381, 112840), (2821, 95240), (3224, 83335), (3640, 73811), (4030, 66668), (4340, 61906), (4762, 56420), (5642, 47620), (8060, 33334), (8680, 30953), (9524, 28210), (11284, 23810), (11905, 22568), (14105, 19048), (16120, 16667)]