78161880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6449}}^1$

素因数の和:6564

約数の個数: 64

約数和(自身を含む): 236844000

約数和(自身を除く): 158682120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 6449, 12120, 12898, 19347, 25796, 32245, 38694, 51592, 64490, 77388, 96735, 128980, 154776, 193470, 257960, 386940, 651349, 773880, 1302698, 1954047, 2605396, 3256745, 3908094, 5210792, 6513490, 7816188, 9770235, 13026980, 15632376, 19540470, 26053960, 39080940, 78161880]

約数ペア:

[(1, 78161880), (2, 39080940), (3, 26053960), (4, 19540470), (5, 15632376), (6, 13026980), (8, 9770235), (10, 7816188), (12, 6513490), (15, 5210792), (20, 3908094), (24, 3256745), (30, 2605396), (40, 1954047), (60, 1302698), (101, 773880), (120, 651349), (202, 386940), (303, 257960), (404, 193470), (505, 154776), (606, 128980), (808, 96735), (1010, 77388), (1212, 64490), (1515, 51592), (2020, 38694), (2424, 32245), (3030, 25796), (4040, 19347), (6060, 12898), (6449, 12120)]