180876800

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1087}}^1$

素因数の和:1128

約数の個数: 120

約数和(自身を含む): 483052416

約数和(自身を除く): 302175616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 1040, 1087, 1280, 1300, 1600, 1664, 2080, 2174, 2560, 2600, 3200, 3328, 4160, 4348, 5200, 5435, 6400, 6656, 8320, 8696, 10400, 10870, 12800, 14131, 16640, 17392, 20800, 21740, 27175, 28262, 33280, 34784, 41600, 43480, 54350, 56524, 69568, 70655, 83200, 86960, 108700, 113048, 139136, 141310, 166400, 173920, 217400, 226096, 278272, 282620, 347840, 353275, 434800, 452192, 556544, 565240, 695680, 706550, 869600, 904384, 1130480, 1391360, 1413100, 1739200, 1808768, 2260960, 2782720, 2826200, 3478400, 3617536, 4521920, 5652400, 6956800, 7235072, 9043840, 11304800, 13913600, 18087680, 22609600, 36175360, 45219200, 90438400, 180876800]

約数ペア:

[(1, 180876800), (2, 90438400), (4, 45219200), (5, 36175360), (8, 22609600), (10, 18087680), (13, 13913600), (16, 11304800), (20, 9043840), (25, 7235072), (26, 6956800), (32, 5652400), (40, 4521920), (50, 3617536), (52, 3478400), (64, 2826200), (65, 2782720), (80, 2260960), (100, 1808768), (104, 1739200), (128, 1413100), (130, 1391360), (160, 1130480), (200, 904384), (208, 869600), (256, 706550), (260, 695680), (320, 565240), (325, 556544), (400, 452192), (416, 434800), (512, 353275), (520, 347840), (640, 282620), (650, 278272), (800, 226096), (832, 217400), (1040, 173920), (1087, 166400), (1280, 141310), (1300, 139136), (1600, 113048), (1664, 108700), (2080, 86960), (2174, 83200), (2560, 70655), (2600, 69568), (3200, 56524), (3328, 54350), (4160, 43480), (4348, 41600), (5200, 34784), (5435, 33280), (6400, 28262), (6656, 27175), (8320, 21740), (8696, 20800), (10400, 17392), (10870, 16640), (12800, 14131)]