90209910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1042

約数の個数: 128

約数和(自身を含む): 272056320

約数和(自身を除く): 181846410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 23, 30, 35, 38, 42, 46, 57, 69, 70, 95, 105, 114, 115, 133, 138, 161, 190, 210, 230, 266, 285, 322, 345, 399, 437, 483, 570, 665, 690, 798, 805, 874, 966, 983, 1311, 1330, 1610, 1966, 1995, 2185, 2415, 2622, 2949, 3059, 3990, 4370, 4830, 4915, 5898, 6118, 6555, 6881, 9177, 9830, 13110, 13762, 14745, 15295, 18354, 18677, 20643, 22609, 29490, 30590, 34405, 37354, 41286, 45218, 45885, 56031, 67827, 68810, 91770, 93385, 103215, 112062, 113045, 130739, 135654, 158263, 186770, 206430, 226090, 261478, 280155, 316526, 339135, 392217, 429571, 474789, 560310, 653695, 678270, 784434, 791315, 859142, 949578, 1288713, 1307390, 1582630, 1961085, 2147855, 2373945, 2577426, 3006997, 3922170, 4295710, 4747890, 6013994, 6443565, 9020991, 12887130, 15034985, 18041982, 30069970, 45104955, 90209910]

約数ペア:

[(1, 90209910), (2, 45104955), (3, 30069970), (5, 18041982), (6, 15034985), (7, 12887130), (10, 9020991), (14, 6443565), (15, 6013994), (19, 4747890), (21, 4295710), (23, 3922170), (30, 3006997), (35, 2577426), (38, 2373945), (42, 2147855), (46, 1961085), (57, 1582630), (69, 1307390), (70, 1288713), (95, 949578), (105, 859142), (114, 791315), (115, 784434), (133, 678270), (138, 653695), (161, 560310), (190, 474789), (210, 429571), (230, 392217), (266, 339135), (285, 316526), (322, 280155), (345, 261478), (399, 226090), (437, 206430), (483, 186770), (570, 158263), (665, 135654), (690, 130739), (798, 113045), (805, 112062), (874, 103215), (966, 93385), (983, 91770), (1311, 68810), (1330, 67827), (1610, 56031), (1966, 45885), (1995, 45218), (2185, 41286), (2415, 37354), (2622, 34405), (2949, 30590), (3059, 29490), (3990, 22609), (4370, 20643), (4830, 18677), (4915, 18354), (5898, 15295), (6118, 14745), (6555, 13762), (6881, 13110), (9177, 9830)]