81158490

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1867}}^1$

素因数の和:1913

約数の個数: 128

約数和(自身を含む): 258232320

約数和(自身を除く): 177073830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 54, 63, 69, 70, 90, 105, 115, 126, 135, 138, 161, 189, 207, 210, 230, 270, 315, 322, 345, 378, 414, 483, 621, 630, 690, 805, 945, 966, 1035, 1242, 1449, 1610, 1867, 1890, 2070, 2415, 2898, 3105, 3734, 4347, 4830, 5601, 6210, 7245, 8694, 9335, 11202, 13069, 14490, 16803, 18670, 21735, 26138, 28005, 33606, 39207, 42941, 43470, 50409, 56010, 65345, 78414, 84015, 85882, 100818, 117621, 128823, 130690, 168030, 196035, 214705, 235242, 252045, 257646, 300587, 352863, 386469, 392070, 429410, 504090, 588105, 601174, 644115, 705726, 772938, 901761, 1159407, 1176210, 1288230, 1502935, 1764315, 1803522, 1932345, 2318814, 2705283, 3005870, 3528630, 3864690, 4508805, 5410566, 5797035, 8115849, 9017610, 11594070, 13526415, 16231698, 27052830, 40579245, 81158490]

約数ペア:

[(1, 81158490), (2, 40579245), (3, 27052830), (5, 16231698), (6, 13526415), (7, 11594070), (9, 9017610), (10, 8115849), (14, 5797035), (15, 5410566), (18, 4508805), (21, 3864690), (23, 3528630), (27, 3005870), (30, 2705283), (35, 2318814), (42, 1932345), (45, 1803522), (46, 1764315), (54, 1502935), (63, 1288230), (69, 1176210), (70, 1159407), (90, 901761), (105, 772938), (115, 705726), (126, 644115), (135, 601174), (138, 588105), (161, 504090), (189, 429410), (207, 392070), (210, 386469), (230, 352863), (270, 300587), (315, 257646), (322, 252045), (345, 235242), (378, 214705), (414, 196035), (483, 168030), (621, 130690), (630, 128823), (690, 117621), (805, 100818), (945, 85882), (966, 84015), (1035, 78414), (1242, 65345), (1449, 56010), (1610, 50409), (1867, 43470), (1890, 42941), (2070, 39207), (2415, 33606), (2898, 28005), (3105, 26138), (3734, 21735), (4347, 18670), (4830, 16803), (5601, 14490), (6210, 13069), (7245, 11202), (8694, 9335)]