68108920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8147}}^1$

素因数の和:8188

約数の個数: 64

約数和(自身を含む): 175996800

約数和(自身を除く): 107887880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8147, 8360, 16294, 32588, 40735, 65176, 81470, 89617, 154793, 162940, 179234, 309586, 325880, 358468, 448085, 619172, 716936, 773965, 896170, 1238344, 1547930, 1702723, 1792340, 3095860, 3405446, 3584680, 6191720, 6810892, 8513615, 13621784, 17027230, 34054460, 68108920]

約数ペア:

[(1, 68108920), (2, 34054460), (4, 17027230), (5, 13621784), (8, 8513615), (10, 6810892), (11, 6191720), (19, 3584680), (20, 3405446), (22, 3095860), (38, 1792340), (40, 1702723), (44, 1547930), (55, 1238344), (76, 896170), (88, 773965), (95, 716936), (110, 619172), (152, 448085), (190, 358468), (209, 325880), (220, 309586), (380, 179234), (418, 162940), (440, 154793), (760, 89617), (836, 81470), (1045, 65176), (1672, 40735), (2090, 32588), (4180, 16294), (8147, 8360)]