178793080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1091}}^1$

素因数の和:1360

約数の個数: 64

約数和(自身を含む): 428107680

約数和(自身を除く): 249314600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 241, 340, 482, 680, 964, 1091, 1205, 1928, 2182, 2410, 4097, 4364, 4820, 5455, 8194, 8728, 9640, 10910, 16388, 18547, 20485, 21820, 32776, 37094, 40970, 43640, 74188, 81940, 92735, 148376, 163880, 185470, 262931, 370940, 525862, 741880, 1051724, 1314655, 2103448, 2629310, 4469827, 5258620, 8939654, 10517240, 17879308, 22349135, 35758616, 44698270, 89396540, 178793080]

約数ペア:

[(1, 178793080), (2, 89396540), (4, 44698270), (5, 35758616), (8, 22349135), (10, 17879308), (17, 10517240), (20, 8939654), (34, 5258620), (40, 4469827), (68, 2629310), (85, 2103448), (136, 1314655), (170, 1051724), (241, 741880), (340, 525862), (482, 370940), (680, 262931), (964, 185470), (1091, 163880), (1205, 148376), (1928, 92735), (2182, 81940), (2410, 74188), (4097, 43640), (4364, 40970), (4820, 37094), (5455, 32776), (8194, 21820), (8728, 20485), (9640, 18547), (10910, 16388)]