18181680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 160

約数和(自身を含む): 62995968

約数和(自身を除く): 44814288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 71, 80, 88, 97, 110, 120, 132, 142, 165, 176, 194, 213, 220, 240, 264, 284, 291, 330, 355, 388, 426, 440, 485, 528, 568, 582, 660, 710, 776, 781, 852, 880, 970, 1065, 1067, 1136, 1164, 1320, 1420, 1455, 1552, 1562, 1704, 1940, 2130, 2134, 2328, 2343, 2640, 2840, 2910, 3124, 3201, 3408, 3880, 3905, 4260, 4268, 4656, 4686, 5335, 5680, 5820, 6248, 6402, 6887, 7760, 7810, 8520, 8536, 9372, 10670, 11640, 11715, 12496, 12804, 13774, 15620, 16005, 17040, 17072, 18744, 20661, 21340, 23280, 23430, 25608, 27548, 31240, 32010, 34435, 37488, 41322, 42680, 46860, 51216, 55096, 62480, 64020, 68870, 75757, 82644, 85360, 93720, 103305, 110192, 128040, 137740, 151514, 165288, 187440, 206610, 227271, 256080, 275480, 303028, 330576, 378785, 413220, 454542, 550960, 606056, 757570, 826440, 909084, 1136355, 1212112, 1515140, 1652880, 1818168, 2272710, 3030280, 3636336, 4545420, 6060560, 9090840, 18181680]

約数ペア:

[(1, 18181680), (2, 9090840), (3, 6060560), (4, 4545420), (5, 3636336), (6, 3030280), (8, 2272710), (10, 1818168), (11, 1652880), (12, 1515140), (15, 1212112), (16, 1136355), (20, 909084), (22, 826440), (24, 757570), (30, 606056), (33, 550960), (40, 454542), (44, 413220), (48, 378785), (55, 330576), (60, 303028), (66, 275480), (71, 256080), (80, 227271), (88, 206610), (97, 187440), (110, 165288), (120, 151514), (132, 137740), (142, 128040), (165, 110192), (176, 103305), (194, 93720), (213, 85360), (220, 82644), (240, 75757), (264, 68870), (284, 64020), (291, 62480), (330, 55096), (355, 51216), (388, 46860), (426, 42680), (440, 41322), (485, 37488), (528, 34435), (568, 32010), (582, 31240), (660, 27548), (710, 25608), (776, 23430), (781, 23280), (852, 21340), (880, 20661), (970, 18744), (1065, 17072), (1067, 17040), (1136, 16005), (1164, 15620), (1320, 13774), (1420, 12804), (1455, 12496), (1552, 11715), (1562, 11640), (1704, 10670), (1940, 9372), (2130, 8536), (2134, 8520), (2328, 7810), (2343, 7760), (2640, 6887), (2840, 6402), (2910, 6248), (3124, 5820), (3201, 5680), (3408, 5335), (3880, 4686), (3905, 4656), (4260, 4268)]