128975490

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 240

約数和(自身を含む): 423960768

約数和(自身を除く): 294985278

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 43, 45, 46, 54, 63, 69, 70, 81, 86, 90, 105, 115, 126, 129, 135, 138, 161, 162, 189, 207, 210, 215, 230, 258, 270, 301, 315, 322, 345, 378, 387, 405, 414, 430, 483, 529, 567, 602, 621, 630, 645, 690, 774, 805, 810, 903, 945, 966, 989, 1035, 1058, 1134, 1161, 1242, 1290, 1449, 1505, 1587, 1610, 1806, 1863, 1890, 1935, 1978, 2070, 2322, 2415, 2645, 2709, 2835, 2898, 2967, 3010, 3105, 3174, 3483, 3703, 3726, 3870, 4347, 4515, 4761, 4830, 4945, 5290, 5418, 5670, 5805, 5934, 6210, 6923, 6966, 7245, 7406, 7935, 8127, 8694, 8901, 9030, 9315, 9522, 9890, 11109, 11610, 13041, 13545, 13846, 14283, 14490, 14835, 15870, 16254, 17415, 17802, 18515, 18630, 20769, 21735, 22218, 22747, 23805, 24381, 26082, 26703, 27090, 28566, 29670, 33327, 34615, 34830, 37030, 40635, 41538, 42849, 43470, 44505, 45494, 47610, 48762, 53406, 55545, 62307, 65205, 66654, 68241, 69230, 71415, 80109, 81270, 85698, 89010, 99981, 103845, 111090, 113735, 121905, 124614, 130410, 133515, 136482, 142830, 159229, 160218, 166635, 186921, 199962, 204723, 207690, 214245, 227470, 243810, 267030, 299943, 311535, 318458, 333270, 341205, 373842, 400545, 409446, 428490, 477687, 499905, 560763, 599886, 614169, 623070, 682410, 796145, 801090, 934605, 955374, 999810, 1023615, 1121526, 1228338, 1433061, 1499715, 1592290, 1842507, 1869210, 2047230, 2388435, 2803815, 2866122, 2999430, 3070845, 3685014, 4299183, 4776870, 5607630, 6141690, 7165305, 8598366, 9212535, 12897549, 14330610, 18425070, 21495915, 25795098, 42991830, 64487745, 128975490]

約数ペア:

[(1, 128975490), (2, 64487745), (3, 42991830), (5, 25795098), (6, 21495915), (7, 18425070), (9, 14330610), (10, 12897549), (14, 9212535), (15, 8598366), (18, 7165305), (21, 6141690), (23, 5607630), (27, 4776870), (30, 4299183), (35, 3685014), (42, 3070845), (43, 2999430), (45, 2866122), (46, 2803815), (54, 2388435), (63, 2047230), (69, 1869210), (70, 1842507), (81, 1592290), (86, 1499715), (90, 1433061), (105, 1228338), (115, 1121526), (126, 1023615), (129, 999810), (135, 955374), (138, 934605), (161, 801090), (162, 796145), (189, 682410), (207, 623070), (210, 614169), (215, 599886), (230, 560763), (258, 499905), (270, 477687), (301, 428490), (315, 409446), (322, 400545), (345, 373842), (378, 341205), (387, 333270), (405, 318458), (414, 311535), (430, 299943), (483, 267030), (529, 243810), (567, 227470), (602, 214245), (621, 207690), (630, 204723), (645, 199962), (690, 186921), (774, 166635), (805, 160218), (810, 159229), (903, 142830), (945, 136482), (966, 133515), (989, 130410), (1035, 124614), (1058, 121905), (1134, 113735), (1161, 111090), (1242, 103845), (1290, 99981), (1449, 89010), (1505, 85698), (1587, 81270), (1610, 80109), (1806, 71415), (1863, 69230), (1890, 68241), (1935, 66654), (1978, 65205), (2070, 62307), (2322, 55545), (2415, 53406), (2645, 48762), (2709, 47610), (2835, 45494), (2898, 44505), (2967, 43470), (3010, 42849), (3105, 41538), (3174, 40635), (3483, 37030), (3703, 34830), (3726, 34615), (3870, 33327), (4347, 29670), (4515, 28566), (4761, 27090), (4830, 26703), (4945, 26082), (5290, 24381), (5418, 23805), (5670, 22747), (5805, 22218), (5934, 21735), (6210, 20769), (6923, 18630), (6966, 18515), (7245, 17802), (7406, 17415), (7935, 16254), (8127, 15870), (8694, 14835), (8901, 14490), (9030, 14283), (9315, 13846), (9522, 13545), (9890, 13041), (11109, 11610)]