77840360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1399}}^1$

素因数の和:1530

約数の個数: 64

約数和(自身を含む): 190512000

約数和(自身を除く): 112671640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1391, 1399, 2140, 2782, 2798, 4280, 5564, 5596, 6955, 6995, 11128, 11192, 13910, 13990, 18187, 27820, 27980, 36374, 55640, 55960, 72748, 90935, 145496, 149693, 181870, 299386, 363740, 598772, 727480, 748465, 1197544, 1496930, 1946009, 2993860, 3892018, 5987720, 7784036, 9730045, 15568072, 19460090, 38920180, 77840360]

約数ペア:

[(1, 77840360), (2, 38920180), (4, 19460090), (5, 15568072), (8, 9730045), (10, 7784036), (13, 5987720), (20, 3892018), (26, 2993860), (40, 1946009), (52, 1496930), (65, 1197544), (104, 748465), (107, 727480), (130, 598772), (214, 363740), (260, 299386), (428, 181870), (520, 149693), (535, 145496), (856, 90935), (1070, 72748), (1391, 55960), (1399, 55640), (2140, 36374), (2782, 27980), (2798, 27820), (4280, 18187), (5564, 13990), (5596, 13910), (6955, 11192), (6995, 11128)]