68688480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{20443}}^1$

素因数の和:20468

約数の個数: 96

約数和(自身を含む): 247290624

約数和(自身を除く): 178602144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 20443, 40886, 61329, 81772, 102215, 122658, 143101, 163544, 204430, 245316, 286202, 306645, 327088, 408860, 429303, 490632, 572404, 613290, 654176, 715505, 817720, 858606, 981264, 1144808, 1226580, 1431010, 1635440, 1717212, 1962528, 2146515, 2289616, 2453160, 2862020, 3270880, 3434424, 4293030, 4579232, 4906320, 5724040, 6868848, 8586060, 9812640, 11448080, 13737696, 17172120, 22896160, 34344240, 68688480]

約数ペア:

[(1, 68688480), (2, 34344240), (3, 22896160), (4, 17172120), (5, 13737696), (6, 11448080), (7, 9812640), (8, 8586060), (10, 6868848), (12, 5724040), (14, 4906320), (15, 4579232), (16, 4293030), (20, 3434424), (21, 3270880), (24, 2862020), (28, 2453160), (30, 2289616), (32, 2146515), (35, 1962528), (40, 1717212), (42, 1635440), (48, 1431010), (56, 1226580), (60, 1144808), (70, 981264), (80, 858606), (84, 817720), (96, 715505), (105, 654176), (112, 613290), (120, 572404), (140, 490632), (160, 429303), (168, 408860), (210, 327088), (224, 306645), (240, 286202), (280, 245316), (336, 204430), (420, 163544), (480, 143101), (560, 122658), (672, 102215), (840, 81772), (1120, 61329), (1680, 40886), (3360, 20443)]