61992990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2081}}^1$

素因数の和:2425

約数の個数: 48

約数和(自身を含む): 161746416

約数和(自身を除く): 99753426

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 331, 662, 993, 1655, 1986, 2081, 2979, 3310, 4162, 4965, 5958, 6243, 9930, 10405, 12486, 14895, 18729, 20810, 29790, 31215, 37458, 62430, 93645, 187290, 688811, 1377622, 2066433, 3444055, 4132866, 6199299, 6888110, 10332165, 12398598, 20664330, 30996495, 61992990]

約数ペア:

[(1, 61992990), (2, 30996495), (3, 20664330), (5, 12398598), (6, 10332165), (9, 6888110), (10, 6199299), (15, 4132866), (18, 3444055), (30, 2066433), (45, 1377622), (90, 688811), (331, 187290), (662, 93645), (993, 62430), (1655, 37458), (1986, 31215), (2081, 29790), (2979, 20810), (3310, 18729), (4162, 14895), (4965, 12486), (5958, 10405), (6243, 9930)]