209423520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{145433}}^1$

素因数の和:145454

約数の個数: 72

約数和(自身を含む): 714662676

約数和(自身を除く): 505239156

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 145433, 290866, 436299, 581732, 727165, 872598, 1163464, 1308897, 1454330, 1745196, 2181495, 2326928, 2617794, 2908660, 3490392, 4362990, 4653856, 5235588, 5817320, 6544485, 6980784, 8725980, 10471176, 11634640, 13088970, 13961568, 17451960, 20942352, 23269280, 26177940, 34903920, 41884704, 52355880, 69807840, 104711760, 209423520]

約数ペア:

[(1, 209423520), (2, 104711760), (3, 69807840), (4, 52355880), (5, 41884704), (6, 34903920), (8, 26177940), (9, 23269280), (10, 20942352), (12, 17451960), (15, 13961568), (16, 13088970), (18, 11634640), (20, 10471176), (24, 8725980), (30, 6980784), (32, 6544485), (36, 5817320), (40, 5235588), (45, 4653856), (48, 4362990), (60, 3490392), (72, 2908660), (80, 2617794), (90, 2326928), (96, 2181495), (120, 1745196), (144, 1454330), (160, 1308897), (180, 1163464), (240, 872598), (288, 727165), (360, 581732), (480, 436299), (720, 290866), (1440, 145433)]