208254960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{289243}}^1$

素因数の和:289262

約数の個数: 60

約数和(自身を含む): 699391992

約数和(自身を除く): 491137032

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, 289243, 578486, 867729, 1156972, 1446215, 1735458, 2313944, 2603187, 2892430, 3470916, 4338645, 4627888, 5206374, 5784860, 6941832, 8677290, 10412748, 11569720, 13015935, 13883664, 17354580, 20825496, 23139440, 26031870, 34709160, 41650992, 52063740, 69418320, 104127480, 208254960]

約数ペア:

[(1, 208254960), (2, 104127480), (3, 69418320), (4, 52063740), (5, 41650992), (6, 34709160), (8, 26031870), (9, 23139440), (10, 20825496), (12, 17354580), (15, 13883664), (16, 13015935), (18, 11569720), (20, 10412748), (24, 8677290), (30, 6941832), (36, 5784860), (40, 5206374), (45, 4627888), (48, 4338645), (60, 3470916), (72, 2892430), (80, 2603187), (90, 2313944), (120, 1735458), (144, 1446215), (180, 1156972), (240, 867729), (360, 578486), (720, 289243)]