15945160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 46448640

約数和(自身を除く): 30503480

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, 167, 217, 220, 248, 280, 308, 310, 334, 341, 385, 434, 440, 616, 620, 668, 682, 770, 835, 868, 1085, 1169, 1240, 1336, 1364, 1540, 1670, 1705, 1736, 1837, 2170, 2338, 2387, 2728, 3080, 3340, 3410, 3674, 4340, 4676, 4774, 5177, 5845, 6680, 6820, 7348, 8680, 9185, 9352, 9548, 10354, 11690, 11935, 12859, 13640, 14696, 18370, 19096, 20708, 23380, 23870, 25718, 25885, 36239, 36740, 41416, 46760, 47740, 51436, 51770, 56947, 64295, 72478, 73480, 95480, 102872, 103540, 113894, 128590, 144956, 181195, 207080, 227788, 257180, 284735, 289912, 362390, 398629, 455576, 514360, 569470, 724780, 797258, 1138940, 1449560, 1594516, 1993145, 2277880, 3189032, 3986290, 7972580, 15945160]

約数ペア:

[(1, 15945160), (2, 7972580), (4, 3986290), (5, 3189032), (7, 2277880), (8, 1993145), (10, 1594516), (11, 1449560), (14, 1138940), (20, 797258), (22, 724780), (28, 569470), (31, 514360), (35, 455576), (40, 398629), (44, 362390), (55, 289912), (56, 284735), (62, 257180), (70, 227788), (77, 207080), (88, 181195), (110, 144956), (124, 128590), (140, 113894), (154, 103540), (155, 102872), (167, 95480), (217, 73480), (220, 72478), (248, 64295), (280, 56947), (308, 51770), (310, 51436), (334, 47740), (341, 46760), (385, 41416), (434, 36740), (440, 36239), (616, 25885), (620, 25718), (668, 23870), (682, 23380), (770, 20708), (835, 19096), (868, 18370), (1085, 14696), (1169, 13640), (1240, 12859), (1336, 11935), (1364, 11690), (1540, 10354), (1670, 9548), (1705, 9352), (1736, 9185), (1837, 8680), (2170, 7348), (2338, 6820), (2387, 6680), (2728, 5845), (3080, 5177), (3340, 4774), (3410, 4676), (3674, 4340)]