15220728

素因数分解:

$2^3\times 3^2\times {\mathrm{179}}^1\times {\mathrm{1181}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 41488200

約数和(自身を除く): 26267472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 179, 358, 537, 716, 1074, 1181, 1432, 1611, 2148, 2362, 3222, 3543, 4296, 4724, 6444, 7086, 9448, 10629, 12888, 14172, 21258, 28344, 42516, 85032, 211399, 422798, 634197, 845596, 1268394, 1691192, 1902591, 2536788, 3805182, 5073576, 7610364, 15220728]

約数ペア:

[(1, 15220728), (2, 7610364), (3, 5073576), (4, 3805182), (6, 2536788), (8, 1902591), (9, 1691192), (12, 1268394), (18, 845596), (24, 634197), (36, 422798), (72, 211399), (179, 85032), (358, 42516), (537, 28344), (716, 21258), (1074, 14172), (1181, 12888), (1432, 10629), (1611, 9448), (2148, 7086), (2362, 6444), (3222, 4724), (3543, 4296)]