81921870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3461}}^1$

素因数の和:3737

約数の個数: 48

約数和(自身を含む): 213868512

約数和(自身を除く): 131946642

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 263, 526, 789, 1315, 1578, 2367, 2630, 3461, 3945, 4734, 6922, 7890, 10383, 11835, 17305, 20766, 23670, 31149, 34610, 51915, 62298, 103830, 155745, 311490, 910243, 1820486, 2730729, 4551215, 5461458, 8192187, 9102430, 13653645, 16384374, 27307290, 40960935, 81921870]

約数ペア:

[(1, 81921870), (2, 40960935), (3, 27307290), (5, 16384374), (6, 13653645), (9, 9102430), (10, 8192187), (15, 5461458), (18, 4551215), (30, 2730729), (45, 1820486), (90, 910243), (263, 311490), (526, 155745), (789, 103830), (1315, 62298), (1578, 51915), (2367, 34610), (2630, 31149), (3461, 23670), (3945, 20766), (4734, 17305), (6922, 11835), (7890, 10383)]