289664880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:631

約数の個数: 160

約数和(自身を含む): 954105600

約数和(自身を除く): 664440720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 139, 152, 190, 228, 240, 278, 285, 304, 380, 417, 456, 457, 556, 570, 695, 760, 834, 912, 914, 1112, 1140, 1371, 1390, 1520, 1668, 1828, 2085, 2224, 2280, 2285, 2641, 2742, 2780, 3336, 3656, 4170, 4560, 4570, 5282, 5484, 5560, 6672, 6855, 7312, 7923, 8340, 8683, 9140, 10564, 10968, 11120, 13205, 13710, 15846, 16680, 17366, 18280, 21128, 21936, 26049, 26410, 27420, 31692, 33360, 34732, 36560, 39615, 42256, 43415, 52098, 52820, 54840, 63384, 63523, 69464, 79230, 86830, 104196, 105640, 109680, 126768, 127046, 130245, 138928, 158460, 173660, 190569, 208392, 211280, 254092, 260490, 316920, 317615, 347320, 381138, 416784, 508184, 520980, 633840, 635230, 694640, 762276, 952845, 1016368, 1041960, 1206937, 1270460, 1524552, 1905690, 2083920, 2413874, 2540920, 3049104, 3620811, 3811380, 4827748, 5081840, 6034685, 7241622, 7622760, 9655496, 12069370, 14483244, 15245520, 18104055, 19310992, 24138740, 28966488, 36208110, 48277480, 57932976, 72416220, 96554960, 144832440, 289664880]

約数ペア:

[(1, 289664880), (2, 144832440), (3, 96554960), (4, 72416220), (5, 57932976), (6, 48277480), (8, 36208110), (10, 28966488), (12, 24138740), (15, 19310992), (16, 18104055), (19, 15245520), (20, 14483244), (24, 12069370), (30, 9655496), (38, 7622760), (40, 7241622), (48, 6034685), (57, 5081840), (60, 4827748), (76, 3811380), (80, 3620811), (95, 3049104), (114, 2540920), (120, 2413874), (139, 2083920), (152, 1905690), (190, 1524552), (228, 1270460), (240, 1206937), (278, 1041960), (285, 1016368), (304, 952845), (380, 762276), (417, 694640), (456, 635230), (457, 633840), (556, 520980), (570, 508184), (695, 416784), (760, 381138), (834, 347320), (912, 317615), (914, 316920), (1112, 260490), (1140, 254092), (1371, 211280), (1390, 208392), (1520, 190569), (1668, 173660), (1828, 158460), (2085, 138928), (2224, 130245), (2280, 127046), (2285, 126768), (2641, 109680), (2742, 105640), (2780, 104196), (3336, 86830), (3656, 79230), (4170, 69464), (4560, 63523), (4570, 63384), (5282, 54840), (5484, 52820), (5560, 52098), (6672, 43415), (6855, 42256), (7312, 39615), (7923, 36560), (8340, 34732), (8683, 33360), (9140, 31692), (10564, 27420), (10968, 26410), (11120, 26049), (13205, 21936), (13710, 21128), (15846, 18280), (16680, 17366)]