161597240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1997}}^1$

素因数の和:2049

約数の個数: 96

約数和(自身を含む): 441637920

約数和(自身を除く): 280040680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 289, 340, 476, 578, 595, 680, 952, 1156, 1190, 1445, 1997, 2023, 2312, 2380, 2890, 3994, 4046, 4760, 5780, 7988, 8092, 9985, 10115, 11560, 13979, 15976, 16184, 19970, 20230, 27958, 33949, 39940, 40460, 55916, 67898, 69895, 79880, 80920, 111832, 135796, 139790, 169745, 237643, 271592, 279580, 339490, 475286, 559160, 577133, 678980, 950572, 1154266, 1188215, 1357960, 1901144, 2308532, 2376430, 2885665, 4039931, 4617064, 4752860, 5771330, 8079862, 9505720, 11542660, 16159724, 20199655, 23085320, 32319448, 40399310, 80798620, 161597240]

約数ペア:

[(1, 161597240), (2, 80798620), (4, 40399310), (5, 32319448), (7, 23085320), (8, 20199655), (10, 16159724), (14, 11542660), (17, 9505720), (20, 8079862), (28, 5771330), (34, 4752860), (35, 4617064), (40, 4039931), (56, 2885665), (68, 2376430), (70, 2308532), (85, 1901144), (119, 1357960), (136, 1188215), (140, 1154266), (170, 950572), (238, 678980), (280, 577133), (289, 559160), (340, 475286), (476, 339490), (578, 279580), (595, 271592), (680, 237643), (952, 169745), (1156, 139790), (1190, 135796), (1445, 111832), (1997, 80920), (2023, 79880), (2312, 69895), (2380, 67898), (2890, 55916), (3994, 40460), (4046, 39940), (4760, 33949), (5780, 27958), (7988, 20230), (8092, 19970), (9985, 16184), (10115, 15976), (11560, 13979)]