251086920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1103}}^1$

素因数の和:1395

約数の個数: 128

約数和(自身を含む): 864829440

約数和(自身を除く): 613742520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 271, 280, 420, 542, 813, 840, 1084, 1103, 1355, 1626, 1897, 2168, 2206, 2710, 3252, 3309, 3794, 4065, 4412, 5420, 5515, 5691, 6504, 6618, 7588, 7721, 8130, 8824, 9485, 10840, 11030, 11382, 13236, 15176, 15442, 16260, 16545, 18970, 22060, 22764, 23163, 26472, 28455, 30884, 32520, 33090, 37940, 38605, 44120, 45528, 46326, 56910, 61768, 66180, 75880, 77210, 92652, 113820, 115815, 132360, 154420, 185304, 227640, 231630, 298913, 308840, 463260, 597826, 896739, 926520, 1195652, 1494565, 1793478, 2092391, 2391304, 2989130, 3586956, 4184782, 4483695, 5978260, 6277173, 7173912, 8369564, 8967390, 10461955, 11956520, 12554346, 16739128, 17934780, 20923910, 25108692, 31385865, 35869560, 41847820, 50217384, 62771730, 83695640, 125543460, 251086920]

約数ペア:

[(1, 251086920), (2, 125543460), (3, 83695640), (4, 62771730), (5, 50217384), (6, 41847820), (7, 35869560), (8, 31385865), (10, 25108692), (12, 20923910), (14, 17934780), (15, 16739128), (20, 12554346), (21, 11956520), (24, 10461955), (28, 8967390), (30, 8369564), (35, 7173912), (40, 6277173), (42, 5978260), (56, 4483695), (60, 4184782), (70, 3586956), (84, 2989130), (105, 2391304), (120, 2092391), (140, 1793478), (168, 1494565), (210, 1195652), (271, 926520), (280, 896739), (420, 597826), (542, 463260), (813, 308840), (840, 298913), (1084, 231630), (1103, 227640), (1355, 185304), (1626, 154420), (1897, 132360), (2168, 115815), (2206, 113820), (2710, 92652), (3252, 77210), (3309, 75880), (3794, 66180), (4065, 61768), (4412, 56910), (5420, 46326), (5515, 45528), (5691, 44120), (6504, 38605), (6618, 37940), (7588, 33090), (7721, 32520), (8130, 30884), (8824, 28455), (9485, 26472), (10840, 23163), (11030, 22764), (11382, 22060), (13236, 18970), (15176, 16545), (15442, 16260)]