1620172008

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{247279}}^1$

素因数の和:247311

約数の個数: 96

約数和(自身を含む): 5400595200

約数和(自身を除く): 3780423192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 182, 234, 252, 273, 312, 364, 468, 504, 546, 728, 819, 936, 1092, 1638, 2184, 3276, 6552, 247279, 494558, 741837, 989116, 1483674, 1730953, 1978232, 2225511, 2967348, 3214627, 3461906, 4451022, 5192859, 5934696, 6429254, 6923812, 8902044, 9643881, 10385718, 12858508, 13847624, 15578577, 17804088, 19287762, 20771436, 22502389, 25717016, 28931643, 31157154, 38575524, 41542872, 45004778, 57863286, 62314308, 67507167, 77151048, 90009556, 115726572, 124628616, 135014334, 180019112, 202521501, 231453144, 270028668, 405043002, 540057336, 810086004, 1620172008]

約数ペア:

[(1, 1620172008), (2, 810086004), (3, 540057336), (4, 405043002), (6, 270028668), (7, 231453144), (8, 202521501), (9, 180019112), (12, 135014334), (13, 124628616), (14, 115726572), (18, 90009556), (21, 77151048), (24, 67507167), (26, 62314308), (28, 57863286), (36, 45004778), (39, 41542872), (42, 38575524), (52, 31157154), (56, 28931643), (63, 25717016), (72, 22502389), (78, 20771436), (84, 19287762), (91, 17804088), (104, 15578577), (117, 13847624), (126, 12858508), (156, 10385718), (168, 9643881), (182, 8902044), (234, 6923812), (252, 6429254), (273, 5934696), (312, 5192859), (364, 4451022), (468, 3461906), (504, 3214627), (546, 2967348), (728, 2225511), (819, 1978232), (936, 1730953), (1092, 1483674), (1638, 989116), (2184, 741837), (3276, 494558), (6552, 247279)]