18503280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:879

約数の個数: 120

約数和(自身を含む): 64222080

約数和(自身を除く): 45718800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 829, 930, 1116, 1240, 1395, 1488, 1658, 1860, 2232, 2480, 2487, 2790, 3316, 3720, 4145, 4464, 4974, 5580, 6632, 7440, 7461, 8290, 9948, 11160, 12435, 13264, 14922, 16580, 19896, 22320, 24870, 25699, 29844, 33160, 37305, 39792, 49740, 51398, 59688, 66320, 74610, 77097, 99480, 102796, 119376, 128495, 149220, 154194, 198960, 205592, 231291, 256990, 298440, 308388, 385485, 411184, 462582, 513980, 596880, 616776, 770970, 925164, 1027960, 1156455, 1233552, 1541940, 1850328, 2055920, 2312910, 3083880, 3700656, 4625820, 6167760, 9251640, 18503280]

約数ペア:

[(1, 18503280), (2, 9251640), (3, 6167760), (4, 4625820), (5, 3700656), (6, 3083880), (8, 2312910), (9, 2055920), (10, 1850328), (12, 1541940), (15, 1233552), (16, 1156455), (18, 1027960), (20, 925164), (24, 770970), (30, 616776), (31, 596880), (36, 513980), (40, 462582), (45, 411184), (48, 385485), (60, 308388), (62, 298440), (72, 256990), (80, 231291), (90, 205592), (93, 198960), (120, 154194), (124, 149220), (144, 128495), (155, 119376), (180, 102796), (186, 99480), (240, 77097), (248, 74610), (279, 66320), (310, 59688), (360, 51398), (372, 49740), (465, 39792), (496, 37305), (558, 33160), (620, 29844), (720, 25699), (744, 24870), (829, 22320), (930, 19896), (1116, 16580), (1240, 14922), (1395, 13264), (1488, 12435), (1658, 11160), (1860, 9948), (2232, 8290), (2480, 7461), (2487, 7440), (2790, 6632), (3316, 5580), (3720, 4974), (4145, 4464)]