2840807820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{776177}}^1$

素因数の和:776250

約数の個数: 48

約数和(自身を含む): 8084670048

約数和(自身を除く): 5243862228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 776177, 1552354, 2328531, 3104708, 3880885, 4657062, 7761770, 9314124, 11642655, 15523540, 23285310, 46570620, 47346797, 94693594, 142040391, 189387188, 236733985, 284080782, 473467970, 568161564, 710201955, 946935940, 1420403910, 2840807820]

約数ペア:

[(1, 2840807820), (2, 1420403910), (3, 946935940), (4, 710201955), (5, 568161564), (6, 473467970), (10, 284080782), (12, 236733985), (15, 189387188), (20, 142040391), (30, 94693594), (60, 47346797), (61, 46570620), (122, 23285310), (183, 15523540), (244, 11642655), (305, 9314124), (366, 7761770), (610, 4657062), (732, 3880885), (915, 3104708), (1220, 2328531), (1830, 1552354), (3660, 776177)]