12172980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8821}}^1$

素因数の和:8856

約数の個数: 48

約数和(自身を含む): 35570304

約数和(自身を除く): 23397324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 8821, 17642, 26463, 35284, 44105, 52926, 88210, 105852, 132315, 176420, 202883, 264630, 405766, 529260, 608649, 811532, 1014415, 1217298, 2028830, 2434596, 3043245, 4057660, 6086490, 12172980]

約数ペア:

[(1, 12172980), (2, 6086490), (3, 4057660), (4, 3043245), (5, 2434596), (6, 2028830), (10, 1217298), (12, 1014415), (15, 811532), (20, 608649), (23, 529260), (30, 405766), (46, 264630), (60, 202883), (69, 176420), (92, 132315), (115, 105852), (138, 88210), (230, 52926), (276, 44105), (345, 35284), (460, 26463), (690, 17642), (1380, 8821)]