72691640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2917}}^1$

素因数の和:3024

約数の個数: 64

約数和(自身を含む): 189086400

約数和(自身を除く): 116394760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 2917, 3115, 3560, 4984, 5834, 6230, 11668, 12460, 14585, 20419, 23336, 24920, 29170, 40838, 58340, 81676, 102095, 116680, 163352, 204190, 259613, 408380, 519226, 816760, 1038452, 1298065, 1817291, 2076904, 2596130, 3634582, 5192260, 7269164, 9086455, 10384520, 14538328, 18172910, 36345820, 72691640]

約数ペア:

[(1, 72691640), (2, 36345820), (4, 18172910), (5, 14538328), (7, 10384520), (8, 9086455), (10, 7269164), (14, 5192260), (20, 3634582), (28, 2596130), (35, 2076904), (40, 1817291), (56, 1298065), (70, 1038452), (89, 816760), (140, 519226), (178, 408380), (280, 259613), (356, 204190), (445, 163352), (623, 116680), (712, 102095), (890, 81676), (1246, 58340), (1780, 40838), (2492, 29170), (2917, 24920), (3115, 23336), (3560, 20419), (4984, 14585), (5834, 12460), (6230, 11668)]