18631440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:361

約数の個数: 120

約数和(自身を含む): 63399960

約数和(自身を除く): 44768520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 113, 120, 144, 180, 226, 229, 240, 339, 360, 452, 458, 565, 678, 687, 720, 904, 916, 1017, 1130, 1145, 1356, 1374, 1695, 1808, 1832, 2034, 2061, 2260, 2290, 2712, 2748, 3390, 3435, 3664, 4068, 4122, 4520, 4580, 5085, 5424, 5496, 6780, 6870, 8136, 8244, 9040, 9160, 10170, 10305, 10992, 13560, 13740, 16272, 16488, 18320, 20340, 20610, 25877, 27120, 27480, 32976, 40680, 41220, 51754, 54960, 77631, 81360, 82440, 103508, 129385, 155262, 164880, 207016, 232893, 258770, 310524, 388155, 414032, 465786, 517540, 621048, 776310, 931572, 1035080, 1164465, 1242096, 1552620, 1863144, 2070160, 2328930, 3105240, 3726288, 4657860, 6210480, 9315720, 18631440]

約数ペア:

[(1, 18631440), (2, 9315720), (3, 6210480), (4, 4657860), (5, 3726288), (6, 3105240), (8, 2328930), (9, 2070160), (10, 1863144), (12, 1552620), (15, 1242096), (16, 1164465), (18, 1035080), (20, 931572), (24, 776310), (30, 621048), (36, 517540), (40, 465786), (45, 414032), (48, 388155), (60, 310524), (72, 258770), (80, 232893), (90, 207016), (113, 164880), (120, 155262), (144, 129385), (180, 103508), (226, 82440), (229, 81360), (240, 77631), (339, 54960), (360, 51754), (452, 41220), (458, 40680), (565, 32976), (678, 27480), (687, 27120), (720, 25877), (904, 20610), (916, 20340), (1017, 18320), (1130, 16488), (1145, 16272), (1356, 13740), (1374, 13560), (1695, 10992), (1808, 10305), (1832, 10170), (2034, 9160), (2061, 9040), (2260, 8244), (2290, 8136), (2712, 6870), (2748, 6780), (3390, 5496), (3435, 5424), (3664, 5085), (4068, 4580), (4122, 4520)]