209395440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{290827}}^1$

素因数の和:290846

約数の個数: 60

約数和(自身を含む): 703222104

約数和(自身を除く): 493826664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 290827, 581654, 872481, 1163308, 1454135, 1744962, 2326616, 2617443, 2908270, 3489924, 4362405, 4653232, 5234886, 5816540, 6979848, 8724810, 10469772, 11633080, 13087215, 13959696, 17449620, 20939544, 23266160, 26174430, 34899240, 41879088, 52348860, 69798480, 104697720, 209395440]

約数ペア:

[(1, 209395440), (2, 104697720), (3, 69798480), (4, 52348860), (5, 41879088), (6, 34899240), (8, 26174430), (9, 23266160), (10, 20939544), (12, 17449620), (15, 13959696), (16, 13087215), (18, 11633080), (20, 10469772), (24, 8724810), (30, 6979848), (36, 5816540), (40, 5234886), (45, 4653232), (48, 4362405), (60, 3489924), (72, 2908270), (80, 2617443), (90, 2326616), (120, 1744962), (144, 1454135), (180, 1163308), (240, 872481), (360, 581654), (720, 290827)]