644802060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1535243}}^1$

素因数の和:1535262

約数の個数: 48

約数和(自身を含む): 2063367936

約数和(自身を除く): 1418565876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1535243, 3070486, 4605729, 6140972, 7676215, 9211458, 10746701, 15352430, 18422916, 21493402, 23028645, 30704860, 32240103, 42986804, 46057290, 53733505, 64480206, 92114580, 107467010, 128960412, 161200515, 214934020, 322401030, 644802060]

約数ペア:

[(1, 644802060), (2, 322401030), (3, 214934020), (4, 161200515), (5, 128960412), (6, 107467010), (7, 92114580), (10, 64480206), (12, 53733505), (14, 46057290), (15, 42986804), (20, 32240103), (21, 30704860), (28, 23028645), (30, 21493402), (35, 18422916), (42, 15352430), (60, 10746701), (70, 9211458), (84, 7676215), (105, 6140972), (140, 4605729), (210, 3070486), (420, 1535243)]