257710320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{51133}}^1$

素因数の和:51159

約数の個数: 120

約数和(自身を含む): 989136096

約数和(自身を除く): 731425776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 51133, 102266, 153399, 204532, 255665, 306798, 357931, 409064, 460197, 511330, 613596, 715862, 766995, 818128, 920394, 1022660, 1073793, 1227192, 1431724, 1533990, 1789655, 1840788, 2045320, 2147586, 2300985, 2454384, 2863448, 3067980, 3221379, 3579310, 3681576, 4090640, 4295172, 4601970, 5368965, 5726896, 6135960, 6442758, 7158620, 7363152, 8590344, 9203940, 10737930, 12271920, 12885516, 14317240, 16106895, 17180688, 18407880, 21475860, 25771032, 28634480, 32213790, 36815760, 42951720, 51542064, 64427580, 85903440, 128855160, 257710320]

約数ペア:

[(1, 257710320), (2, 128855160), (3, 85903440), (4, 64427580), (5, 51542064), (6, 42951720), (7, 36815760), (8, 32213790), (9, 28634480), (10, 25771032), (12, 21475860), (14, 18407880), (15, 17180688), (16, 16106895), (18, 14317240), (20, 12885516), (21, 12271920), (24, 10737930), (28, 9203940), (30, 8590344), (35, 7363152), (36, 7158620), (40, 6442758), (42, 6135960), (45, 5726896), (48, 5368965), (56, 4601970), (60, 4295172), (63, 4090640), (70, 3681576), (72, 3579310), (80, 3221379), (84, 3067980), (90, 2863448), (105, 2454384), (112, 2300985), (120, 2147586), (126, 2045320), (140, 1840788), (144, 1789655), (168, 1533990), (180, 1431724), (210, 1227192), (240, 1073793), (252, 1022660), (280, 920394), (315, 818128), (336, 766995), (360, 715862), (420, 613596), (504, 511330), (560, 460197), (630, 409064), (720, 357931), (840, 306798), (1008, 255665), (1260, 204532), (1680, 153399), (2520, 102266), (5040, 51133)]