17578890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 54743040

約数和(自身を除く): 37164150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 90, 105, 126, 131, 135, 142, 189, 210, 213, 262, 270, 315, 355, 378, 393, 426, 497, 630, 639, 655, 710, 786, 917, 945, 994, 1065, 1179, 1278, 1310, 1491, 1834, 1890, 1917, 1965, 2130, 2358, 2485, 2751, 2982, 3195, 3537, 3834, 3930, 4473, 4585, 4970, 5502, 5895, 6390, 7074, 7455, 8253, 8946, 9170, 9301, 9585, 11790, 13419, 13755, 14910, 16506, 17685, 18602, 19170, 22365, 24759, 26838, 27510, 27903, 35370, 41265, 44730, 46505, 49518, 55806, 65107, 67095, 82530, 83709, 93010, 123795, 130214, 134190, 139515, 167418, 195321, 247590, 251127, 279030, 325535, 390642, 418545, 502254, 585963, 651070, 837090, 976605, 1171926, 1255635, 1757889, 1953210, 2511270, 2929815, 3515778, 5859630, 8789445, 17578890]

約数ペア:

[(1, 17578890), (2, 8789445), (3, 5859630), (5, 3515778), (6, 2929815), (7, 2511270), (9, 1953210), (10, 1757889), (14, 1255635), (15, 1171926), (18, 976605), (21, 837090), (27, 651070), (30, 585963), (35, 502254), (42, 418545), (45, 390642), (54, 325535), (63, 279030), (70, 251127), (71, 247590), (90, 195321), (105, 167418), (126, 139515), (131, 134190), (135, 130214), (142, 123795), (189, 93010), (210, 83709), (213, 82530), (262, 67095), (270, 65107), (315, 55806), (355, 49518), (378, 46505), (393, 44730), (426, 41265), (497, 35370), (630, 27903), (639, 27510), (655, 26838), (710, 24759), (786, 22365), (917, 19170), (945, 18602), (994, 17685), (1065, 16506), (1179, 14910), (1278, 13755), (1310, 13419), (1491, 11790), (1834, 9585), (1890, 9301), (1917, 9170), (1965, 8946), (2130, 8253), (2358, 7455), (2485, 7074), (2751, 6390), (2982, 5895), (3195, 5502), (3537, 4970), (3834, 4585), (3930, 4473)]