18287280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2309}}^1$

素因数の和:2339

約数の個数: 120

約数和(自身を含む): 67026960

約数和(自身を除く): 48739680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2309, 2640, 3960, 4618, 6927, 7920, 9236, 11545, 13854, 18472, 20781, 23090, 25399, 27708, 34635, 36944, 41562, 46180, 50798, 55416, 69270, 76197, 83124, 92360, 101596, 103905, 110832, 126995, 138540, 152394, 166248, 184720, 203192, 207810, 228591, 253990, 277080, 304788, 332496, 380985, 406384, 415620, 457182, 507980, 554160, 609576, 761970, 831240, 914364, 1015960, 1142955, 1219152, 1523940, 1662480, 1828728, 2031920, 2285910, 3047880, 3657456, 4571820, 6095760, 9143640, 18287280]

約数ペア:

[(1, 18287280), (2, 9143640), (3, 6095760), (4, 4571820), (5, 3657456), (6, 3047880), (8, 2285910), (9, 2031920), (10, 1828728), (11, 1662480), (12, 1523940), (15, 1219152), (16, 1142955), (18, 1015960), (20, 914364), (22, 831240), (24, 761970), (30, 609576), (33, 554160), (36, 507980), (40, 457182), (44, 415620), (45, 406384), (48, 380985), (55, 332496), (60, 304788), (66, 277080), (72, 253990), (80, 228591), (88, 207810), (90, 203192), (99, 184720), (110, 166248), (120, 152394), (132, 138540), (144, 126995), (165, 110832), (176, 103905), (180, 101596), (198, 92360), (220, 83124), (240, 76197), (264, 69270), (330, 55416), (360, 50798), (396, 46180), (440, 41562), (495, 36944), (528, 34635), (660, 27708), (720, 25399), (792, 23090), (880, 20781), (990, 18472), (1320, 13854), (1584, 11545), (1980, 9236), (2309, 7920), (2640, 6927), (3960, 4618)]