81057060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2797}}^1$

素因数の和:2842

約数の個数: 144

約数和(自身を含む): 293319936

約数和(自身を除く): 212262876

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2797, 2898, 3220, 4140, 4830, 5594, 5796, 7245, 8391, 9660, 11188, 13985, 14490, 16782, 19579, 25173, 27970, 28980, 33564, 39158, 41955, 50346, 55940, 58737, 64331, 78316, 83910, 97895, 100692, 117474, 125865, 128662, 167820, 176211, 192993, 195790, 234948, 251730, 257324, 293685, 321655, 352422, 385986, 391580, 450317, 503460, 578979, 587370, 643310, 704844, 771972, 881055, 900634, 964965, 1157958, 1174740, 1286620, 1350951, 1762110, 1801268, 1929930, 2251585, 2315916, 2701902, 2894895, 3524220, 3859860, 4052853, 4503170, 5403804, 5789790, 6754755, 8105706, 9006340, 11579580, 13509510, 16211412, 20264265, 27019020, 40528530, 81057060]

約数ペア:

[(1, 81057060), (2, 40528530), (3, 27019020), (4, 20264265), (5, 16211412), (6, 13509510), (7, 11579580), (9, 9006340), (10, 8105706), (12, 6754755), (14, 5789790), (15, 5403804), (18, 4503170), (20, 4052853), (21, 3859860), (23, 3524220), (28, 2894895), (30, 2701902), (35, 2315916), (36, 2251585), (42, 1929930), (45, 1801268), (46, 1762110), (60, 1350951), (63, 1286620), (69, 1174740), (70, 1157958), (84, 964965), (90, 900634), (92, 881055), (105, 771972), (115, 704844), (126, 643310), (138, 587370), (140, 578979), (161, 503460), (180, 450317), (207, 391580), (210, 385986), (230, 352422), (252, 321655), (276, 293685), (315, 257324), (322, 251730), (345, 234948), (414, 195790), (420, 192993), (460, 176211), (483, 167820), (630, 128662), (644, 125865), (690, 117474), (805, 100692), (828, 97895), (966, 83910), (1035, 78316), (1260, 64331), (1380, 58737), (1449, 55940), (1610, 50346), (1932, 41955), (2070, 39158), (2415, 33564), (2797, 28980), (2898, 27970), (3220, 25173), (4140, 19579), (4830, 16782), (5594, 14490), (5796, 13985), (7245, 11188), (8391, 9660)]