66137680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1327}}^1$

素因数の和:1436

約数の個数: 80

約数和(自身を含む): 177845760

約数和(自身を除く): 111708080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1327, 1424, 1780, 2492, 2654, 3115, 3560, 4984, 5308, 6230, 6635, 7120, 9289, 9968, 10616, 12460, 13270, 18578, 21232, 24920, 26540, 37156, 46445, 49840, 53080, 74312, 92890, 106160, 118103, 148624, 185780, 236206, 371560, 472412, 590515, 743120, 826721, 944824, 1181030, 1653442, 1889648, 2362060, 3306884, 4133605, 4724120, 6613768, 8267210, 9448240, 13227536, 16534420, 33068840, 66137680]

約数ペア:

[(1, 66137680), (2, 33068840), (4, 16534420), (5, 13227536), (7, 9448240), (8, 8267210), (10, 6613768), (14, 4724120), (16, 4133605), (20, 3306884), (28, 2362060), (35, 1889648), (40, 1653442), (56, 1181030), (70, 944824), (80, 826721), (89, 743120), (112, 590515), (140, 472412), (178, 371560), (280, 236206), (356, 185780), (445, 148624), (560, 118103), (623, 106160), (712, 92890), (890, 74312), (1246, 53080), (1327, 49840), (1424, 46445), (1780, 37156), (2492, 26540), (2654, 24920), (3115, 21232), (3560, 18578), (4984, 13270), (5308, 12460), (6230, 10616), (6635, 9968), (7120, 9289)]