660217090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1\times {\mathrm{1621}}^1$

素因数の和:1895

約数の個数: 48

約数和(自身を含む): 1292974056

約数和(自身を除く): 632756966

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 241, 338, 482, 845, 1205, 1621, 1690, 2410, 3133, 3242, 6266, 8105, 15665, 16210, 21073, 31330, 40729, 42146, 81458, 105365, 203645, 210730, 273949, 390661, 407290, 547898, 781322, 1369745, 1953305, 2739490, 3906610, 5078593, 10157186, 25392965, 50785930, 66021709, 132043418, 330108545, 660217090]

約数ペア:

[(1, 660217090), (2, 330108545), (5, 132043418), (10, 66021709), (13, 50785930), (26, 25392965), (65, 10157186), (130, 5078593), (169, 3906610), (241, 2739490), (338, 1953305), (482, 1369745), (845, 781322), (1205, 547898), (1621, 407290), (1690, 390661), (2410, 273949), (3133, 210730), (3242, 203645), (6266, 105365), (8105, 81458), (15665, 42146), (16210, 40729), (21073, 31330)]