721817820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{38933}}^1$

素因数の和:39051

約数の個数: 72

約数和(自身を含む): 2210828256

約数和(自身を除く): 1489010436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, 18540, 38933, 77866, 116799, 155732, 194665, 233598, 350397, 389330, 467196, 583995, 700794, 778660, 1167990, 1401588, 1751985, 2335980, 3503970, 4010099, 7007940, 8020198, 12030297, 16040396, 20050495, 24060594, 36090891, 40100990, 48121188, 60151485, 72181782, 80201980, 120302970, 144363564, 180454455, 240605940, 360908910, 721817820]

約数ペア:

[(1, 721817820), (2, 360908910), (3, 240605940), (4, 180454455), (5, 144363564), (6, 120302970), (9, 80201980), (10, 72181782), (12, 60151485), (15, 48121188), (18, 40100990), (20, 36090891), (30, 24060594), (36, 20050495), (45, 16040396), (60, 12030297), (90, 8020198), (103, 7007940), (180, 4010099), (206, 3503970), (309, 2335980), (412, 1751985), (515, 1401588), (618, 1167990), (927, 778660), (1030, 700794), (1236, 583995), (1545, 467196), (1854, 389330), (2060, 350397), (3090, 233598), (3708, 194665), (4635, 155732), (6180, 116799), (9270, 77866), (18540, 38933)]