21808800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:272

約数の個数: 216

約数和(自身を含む): 83174364

約数和(自身を除く): 61365564

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 32, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 96, 100, 104, 117, 120, 130, 144, 150, 156, 160, 180, 195, 200, 208, 225, 233, 234, 240, 260, 288, 300, 312, 325, 360, 390, 400, 416, 450, 466, 468, 480, 520, 585, 600, 624, 650, 699, 720, 780, 800, 900, 932, 936, 975, 1040, 1165, 1170, 1200, 1248, 1300, 1398, 1440, 1560, 1800, 1864, 1872, 1950, 2080, 2097, 2330, 2340, 2400, 2600, 2796, 2925, 3029, 3120, 3495, 3600, 3728, 3744, 3900, 4194, 4660, 4680, 5200, 5592, 5825, 5850, 6058, 6240, 6990, 7200, 7456, 7800, 8388, 9087, 9320, 9360, 10400, 10485, 11184, 11650, 11700, 12116, 13980, 15145, 15600, 16776, 17475, 18174, 18640, 18720, 20970, 22368, 23300, 23400, 24232, 27261, 27960, 30290, 31200, 33552, 34950, 36348, 37280, 41940, 45435, 46600, 46800, 48464, 52425, 54522, 55920, 60580, 67104, 69900, 72696, 75725, 83880, 90870, 93200, 93600, 96928, 104850, 109044, 111840, 121160, 136305, 139800, 145392, 151450, 167760, 181740, 186400, 209700, 218088, 227175, 242320, 272610, 279600, 290784, 302900, 335520, 363480, 419400, 436176, 454350, 484640, 545220, 559200, 605800, 681525, 726960, 838800, 872352, 908700, 1090440, 1211600, 1363050, 1453920, 1677600, 1817400, 2180880, 2423200, 2726100, 3634800, 4361760, 5452200, 7269600, 10904400, 21808800]

約数ペア:

[(1, 21808800), (2, 10904400), (3, 7269600), (4, 5452200), (5, 4361760), (6, 3634800), (8, 2726100), (9, 2423200), (10, 2180880), (12, 1817400), (13, 1677600), (15, 1453920), (16, 1363050), (18, 1211600), (20, 1090440), (24, 908700), (25, 872352), (26, 838800), (30, 726960), (32, 681525), (36, 605800), (39, 559200), (40, 545220), (45, 484640), (48, 454350), (50, 436176), (52, 419400), (60, 363480), (65, 335520), (72, 302900), (75, 290784), (78, 279600), (80, 272610), (90, 242320), (96, 227175), (100, 218088), (104, 209700), (117, 186400), (120, 181740), (130, 167760), (144, 151450), (150, 145392), (156, 139800), (160, 136305), (180, 121160), (195, 111840), (200, 109044), (208, 104850), (225, 96928), (233, 93600), (234, 93200), (240, 90870), (260, 83880), (288, 75725), (300, 72696), (312, 69900), (325, 67104), (360, 60580), (390, 55920), (400, 54522), (416, 52425), (450, 48464), (466, 46800), (468, 46600), (480, 45435), (520, 41940), (585, 37280), (600, 36348), (624, 34950), (650, 33552), (699, 31200), (720, 30290), (780, 27960), (800, 27261), (900, 24232), (932, 23400), (936, 23300), (975, 22368), (1040, 20970), (1165, 18720), (1170, 18640), (1200, 18174), (1248, 17475), (1300, 16776), (1398, 15600), (1440, 15145), (1560, 13980), (1800, 12116), (1864, 11700), (1872, 11650), (1950, 11184), (2080, 10485), (2097, 10400), (2330, 9360), (2340, 9320), (2400, 9087), (2600, 8388), (2796, 7800), (2925, 7456), (3029, 7200), (3120, 6990), (3495, 6240), (3600, 6058), (3728, 5850), (3744, 5825), (3900, 5592), (4194, 5200), (4660, 4680)]