18325020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 62512128

約数和(自身を除く): 44187108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 271, 276, 294, 322, 345, 420, 460, 483, 490, 542, 588, 644, 690, 735, 805, 813, 966, 980, 1084, 1127, 1355, 1380, 1470, 1610, 1626, 1897, 1932, 2254, 2415, 2710, 2940, 3220, 3252, 3381, 3794, 4065, 4508, 4830, 5420, 5635, 5691, 6233, 6762, 7588, 8130, 9485, 9660, 11270, 11382, 12466, 13279, 13524, 16260, 16905, 18699, 18970, 22540, 22764, 24932, 26558, 28455, 31165, 33810, 37398, 37940, 39837, 43631, 53116, 56910, 62330, 66395, 67620, 74796, 79674, 87262, 93495, 113820, 124660, 130893, 132790, 159348, 174524, 186990, 199185, 218155, 261786, 265580, 305417, 373980, 398370, 436310, 523572, 610834, 654465, 796740, 872620, 916251, 1221668, 1308930, 1527085, 1832502, 2617860, 3054170, 3665004, 4581255, 6108340, 9162510, 18325020]

約数ペア:

[(1, 18325020), (2, 9162510), (3, 6108340), (4, 4581255), (5, 3665004), (6, 3054170), (7, 2617860), (10, 1832502), (12, 1527085), (14, 1308930), (15, 1221668), (20, 916251), (21, 872620), (23, 796740), (28, 654465), (30, 610834), (35, 523572), (42, 436310), (46, 398370), (49, 373980), (60, 305417), (69, 265580), (70, 261786), (84, 218155), (92, 199185), (98, 186990), (105, 174524), (115, 159348), (138, 132790), (140, 130893), (147, 124660), (161, 113820), (196, 93495), (210, 87262), (230, 79674), (245, 74796), (271, 67620), (276, 66395), (294, 62330), (322, 56910), (345, 53116), (420, 43631), (460, 39837), (483, 37940), (490, 37398), (542, 33810), (588, 31165), (644, 28455), (690, 26558), (735, 24932), (805, 22764), (813, 22540), (966, 18970), (980, 18699), (1084, 16905), (1127, 16260), (1355, 13524), (1380, 13279), (1470, 12466), (1610, 11382), (1626, 11270), (1897, 9660), (1932, 9485), (2254, 8130), (2415, 7588), (2710, 6762), (2940, 6233), (3220, 5691), (3252, 5635), (3381, 5420), (3794, 4830), (4065, 4508)]