90742620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16993}}^1$

素因数の和:17094

約数の個数: 48

約数和(自身を含む): 256949280

約数和(自身を除く): 166206660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 16993, 33986, 50979, 67972, 84965, 101958, 169930, 203916, 254895, 339860, 509790, 1019580, 1512377, 3024754, 4537131, 6049508, 7561885, 9074262, 15123770, 18148524, 22685655, 30247540, 45371310, 90742620]

約数ペア:

[(1, 90742620), (2, 45371310), (3, 30247540), (4, 22685655), (5, 18148524), (6, 15123770), (10, 9074262), (12, 7561885), (15, 6049508), (20, 4537131), (30, 3024754), (60, 1512377), (89, 1019580), (178, 509790), (267, 339860), (356, 254895), (445, 203916), (534, 169930), (890, 101958), (1068, 84965), (1335, 67972), (1780, 50979), (2670, 33986), (5340, 16993)]