61990530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1811}}^1$

素因数の和:1991

約数の個数: 64

約数和(自身を含む): 171168768

約数和(自身を除く): 109178238

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 163, 210, 326, 489, 815, 978, 1141, 1630, 1811, 2282, 2445, 3423, 3622, 4890, 5433, 5705, 6846, 9055, 10866, 11410, 12677, 17115, 18110, 25354, 27165, 34230, 38031, 54330, 63385, 76062, 126770, 190155, 295193, 380310, 590386, 885579, 1475965, 1771158, 2066351, 2951930, 4132702, 4427895, 6199053, 8855790, 10331755, 12398106, 20663510, 30995265, 61990530]

約数ペア:

[(1, 61990530), (2, 30995265), (3, 20663510), (5, 12398106), (6, 10331755), (7, 8855790), (10, 6199053), (14, 4427895), (15, 4132702), (21, 2951930), (30, 2066351), (35, 1771158), (42, 1475965), (70, 885579), (105, 590386), (163, 380310), (210, 295193), (326, 190155), (489, 126770), (815, 76062), (978, 63385), (1141, 54330), (1630, 38031), (1811, 34230), (2282, 27165), (2445, 25354), (3423, 18110), (3622, 17115), (4890, 12677), (5433, 11410), (5705, 10866), (6846, 9055)]