68134640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 120

約数和(自身を含む): 192776352

約数和(自身を除く): 124641712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 289, 340, 421, 476, 560, 578, 595, 680, 842, 952, 1156, 1190, 1360, 1445, 1684, 1904, 2023, 2105, 2312, 2380, 2890, 2947, 3368, 4046, 4210, 4624, 4760, 5780, 5894, 6736, 7157, 8092, 8420, 9520, 10115, 11560, 11788, 14314, 14735, 16184, 16840, 20230, 23120, 23576, 28628, 29470, 32368, 33680, 35785, 40460, 47152, 50099, 57256, 58940, 71570, 80920, 100198, 114512, 117880, 121669, 143140, 161840, 200396, 235760, 243338, 250495, 286280, 400792, 486676, 500990, 572560, 608345, 801584, 851683, 973352, 1001980, 1216690, 1703366, 1946704, 2003960, 2433380, 3406732, 4007920, 4258415, 4866760, 6813464, 8516830, 9733520, 13626928, 17033660, 34067320, 68134640]

約数ペア:

[(1, 68134640), (2, 34067320), (4, 17033660), (5, 13626928), (7, 9733520), (8, 8516830), (10, 6813464), (14, 4866760), (16, 4258415), (17, 4007920), (20, 3406732), (28, 2433380), (34, 2003960), (35, 1946704), (40, 1703366), (56, 1216690), (68, 1001980), (70, 973352), (80, 851683), (85, 801584), (112, 608345), (119, 572560), (136, 500990), (140, 486676), (170, 400792), (238, 286280), (272, 250495), (280, 243338), (289, 235760), (340, 200396), (421, 161840), (476, 143140), (560, 121669), (578, 117880), (595, 114512), (680, 100198), (842, 80920), (952, 71570), (1156, 58940), (1190, 57256), (1360, 50099), (1445, 47152), (1684, 40460), (1904, 35785), (2023, 33680), (2105, 32368), (2312, 29470), (2380, 28628), (2890, 23576), (2947, 23120), (3368, 20230), (4046, 16840), (4210, 16184), (4624, 14735), (4760, 14314), (5780, 11788), (5894, 11560), (6736, 10115), (7157, 9520), (8092, 8420)]