198954720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{138163}}^1$

素因数の和:138184

約数の個数: 72

約数和(自身を含む): 678937896

約数和(自身を除く): 479983176

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, 138163, 276326, 414489, 552652, 690815, 828978, 1105304, 1243467, 1381630, 1657956, 2072445, 2210608, 2486934, 2763260, 3315912, 4144890, 4421216, 4973868, 5526520, 6217335, 6631824, 8289780, 9947736, 11053040, 12434670, 13263648, 16579560, 19895472, 22106080, 24869340, 33159120, 39790944, 49738680, 66318240, 99477360, 198954720]

約数ペア:

[(1, 198954720), (2, 99477360), (3, 66318240), (4, 49738680), (5, 39790944), (6, 33159120), (8, 24869340), (9, 22106080), (10, 19895472), (12, 16579560), (15, 13263648), (16, 12434670), (18, 11053040), (20, 9947736), (24, 8289780), (30, 6631824), (32, 6217335), (36, 5526520), (40, 4973868), (45, 4421216), (48, 4144890), (60, 3315912), (72, 2763260), (80, 2486934), (90, 2210608), (96, 2072445), (120, 1657956), (144, 1381630), (160, 1243467), (180, 1105304), (240, 828978), (288, 690815), (360, 552652), (480, 414489), (720, 276326), (1440, 138163)]