66909280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1447}}^1$

素因数の和:1496

約数の個数: 72

約数和(自身を含む): 168034608

約数和(自身を除く): 101125328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1360, 1445, 1447, 2312, 2720, 2890, 2894, 4624, 5780, 5788, 7235, 9248, 11560, 11576, 14470, 23120, 23152, 24599, 28940, 46240, 46304, 49198, 57880, 98396, 115760, 122995, 196792, 231520, 245990, 393584, 418183, 491980, 787168, 836366, 983960, 1672732, 1967920, 2090915, 3345464, 3935840, 4181830, 6690928, 8363660, 13381856, 16727320, 33454640, 66909280]

約数ペア:

[(1, 66909280), (2, 33454640), (4, 16727320), (5, 13381856), (8, 8363660), (10, 6690928), (16, 4181830), (17, 3935840), (20, 3345464), (32, 2090915), (34, 1967920), (40, 1672732), (68, 983960), (80, 836366), (85, 787168), (136, 491980), (160, 418183), (170, 393584), (272, 245990), (289, 231520), (340, 196792), (544, 122995), (578, 115760), (680, 98396), (1156, 57880), (1360, 49198), (1445, 46304), (1447, 46240), (2312, 28940), (2720, 24599), (2890, 23152), (2894, 23120), (4624, 14470), (5780, 11576), (5788, 11560), (7235, 9248)]