131857880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1441

約数の個数: 128

約数和(自身を含む): 382095360

約数和(自身を除く): 250237480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1364, 1381, 1540, 1705, 1736, 2170, 2387, 2728, 2762, 3080, 3410, 4340, 4774, 5524, 6820, 6905, 8680, 9548, 9667, 11048, 11935, 13640, 13810, 15191, 19096, 19334, 23870, 27620, 30382, 38668, 42811, 47740, 48335, 55240, 60764, 75955, 77336, 85622, 95480, 96670, 106337, 121528, 151910, 171244, 193340, 212674, 214055, 299677, 303820, 342488, 386680, 425348, 428110, 470921, 531685, 599354, 607640, 850696, 856220, 941842, 1063370, 1198708, 1498385, 1712440, 1883684, 2126740, 2354605, 2397416, 2996770, 3296447, 3767368, 4253480, 4709210, 5993540, 6592894, 9418420, 11987080, 13185788, 16482235, 18836840, 26371576, 32964470, 65928940, 131857880]

約数ペア:

[(1, 131857880), (2, 65928940), (4, 32964470), (5, 26371576), (7, 18836840), (8, 16482235), (10, 13185788), (11, 11987080), (14, 9418420), (20, 6592894), (22, 5993540), (28, 4709210), (31, 4253480), (35, 3767368), (40, 3296447), (44, 2996770), (55, 2397416), (56, 2354605), (62, 2126740), (70, 1883684), (77, 1712440), (88, 1498385), (110, 1198708), (124, 1063370), (140, 941842), (154, 856220), (155, 850696), (217, 607640), (220, 599354), (248, 531685), (280, 470921), (308, 428110), (310, 425348), (341, 386680), (385, 342488), (434, 303820), (440, 299677), (616, 214055), (620, 212674), (682, 193340), (770, 171244), (868, 151910), (1085, 121528), (1240, 106337), (1364, 96670), (1381, 95480), (1540, 85622), (1705, 77336), (1736, 75955), (2170, 60764), (2387, 55240), (2728, 48335), (2762, 47740), (3080, 42811), (3410, 38668), (4340, 30382), (4774, 27620), (5524, 23870), (6820, 19334), (6905, 19096), (8680, 15191), (9548, 13810), (9667, 13640), (11048, 11935)]