281378160

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{55829}}^1$

素因数の和:55855

約数の個数: 120

約数和(自身を含む): 1079975520

約数和(自身を除く): 798597360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 55829, 111658, 167487, 223316, 279145, 334974, 390803, 446632, 502461, 558290, 669948, 781606, 837435, 893264, 1004922, 1116580, 1172409, 1339896, 1563212, 1674870, 1954015, 2009844, 2233160, 2344818, 2512305, 2679792, 3126424, 3349740, 3517227, 3908030, 4019688, 4466320, 4689636, 5024610, 5862045, 6252848, 6699480, 7034454, 7816060, 8039376, 9379272, 10049220, 11724090, 13398960, 14068908, 15632120, 17586135, 18758544, 20098440, 23448180, 28137816, 31264240, 35172270, 40196880, 46896360, 56275632, 70344540, 93792720, 140689080, 281378160]

約数ペア:

[(1, 281378160), (2, 140689080), (3, 93792720), (4, 70344540), (5, 56275632), (6, 46896360), (7, 40196880), (8, 35172270), (9, 31264240), (10, 28137816), (12, 23448180), (14, 20098440), (15, 18758544), (16, 17586135), (18, 15632120), (20, 14068908), (21, 13398960), (24, 11724090), (28, 10049220), (30, 9379272), (35, 8039376), (36, 7816060), (40, 7034454), (42, 6699480), (45, 6252848), (48, 5862045), (56, 5024610), (60, 4689636), (63, 4466320), (70, 4019688), (72, 3908030), (80, 3517227), (84, 3349740), (90, 3126424), (105, 2679792), (112, 2512305), (120, 2344818), (126, 2233160), (140, 2009844), (144, 1954015), (168, 1674870), (180, 1563212), (210, 1339896), (240, 1172409), (252, 1116580), (280, 1004922), (315, 893264), (336, 837435), (360, 781606), (420, 669948), (504, 558290), (560, 502461), (630, 446632), (720, 390803), (840, 334974), (1008, 279145), (1260, 223316), (1680, 167487), (2520, 111658), (5040, 55829)]