18179640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:235

約数の個数: 160

約数和(自身を含む): 63423360

約数和(自身を除く): 45243720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 181, 186, 216, 248, 270, 279, 310, 324, 360, 362, 372, 405, 465, 540, 543, 558, 620, 648, 724, 744, 810, 837, 905, 930, 1080, 1086, 1116, 1240, 1395, 1448, 1620, 1629, 1674, 1810, 1860, 2172, 2232, 2511, 2715, 2790, 3240, 3258, 3348, 3620, 3720, 4185, 4344, 4887, 5022, 5430, 5580, 5611, 6516, 6696, 7240, 8145, 8370, 9774, 10044, 10860, 11160, 11222, 12555, 13032, 14661, 16290, 16740, 16833, 19548, 20088, 21720, 22444, 24435, 25110, 28055, 29322, 32580, 33480, 33666, 39096, 44888, 48870, 50220, 50499, 56110, 58644, 65160, 67332, 73305, 84165, 97740, 100440, 100998, 112220, 117288, 134664, 146610, 151497, 168330, 195480, 201996, 224440, 252495, 293220, 302994, 336660, 403992, 454491, 504990, 586440, 605988, 673320, 757485, 908982, 1009980, 1211976, 1514970, 1817964, 2019960, 2272455, 3029940, 3635928, 4544910, 6059880, 9089820, 18179640]

約数ペア:

[(1, 18179640), (2, 9089820), (3, 6059880), (4, 4544910), (5, 3635928), (6, 3029940), (8, 2272455), (9, 2019960), (10, 1817964), (12, 1514970), (15, 1211976), (18, 1009980), (20, 908982), (24, 757485), (27, 673320), (30, 605988), (31, 586440), (36, 504990), (40, 454491), (45, 403992), (54, 336660), (60, 302994), (62, 293220), (72, 252495), (81, 224440), (90, 201996), (93, 195480), (108, 168330), (120, 151497), (124, 146610), (135, 134664), (155, 117288), (162, 112220), (180, 100998), (181, 100440), (186, 97740), (216, 84165), (248, 73305), (270, 67332), (279, 65160), (310, 58644), (324, 56110), (360, 50499), (362, 50220), (372, 48870), (405, 44888), (465, 39096), (540, 33666), (543, 33480), (558, 32580), (620, 29322), (648, 28055), (724, 25110), (744, 24435), (810, 22444), (837, 21720), (905, 20088), (930, 19548), (1080, 16833), (1086, 16740), (1116, 16290), (1240, 14661), (1395, 13032), (1448, 12555), (1620, 11222), (1629, 11160), (1674, 10860), (1810, 10044), (1860, 9774), (2172, 8370), (2232, 8145), (2511, 7240), (2715, 6696), (2790, 6516), (3240, 5611), (3258, 5580), (3348, 5430), (3620, 5022), (3720, 4887), (4185, 4344)]