8189720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2659}}^1$

素因数の和:2688

約数の個数: 64

約数和(自身を含む): 22982400

約数和(自身を除く): 14792680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 2659, 3080, 5318, 10636, 13295, 18613, 21272, 26590, 29249, 37226, 53180, 58498, 74452, 93065, 106360, 116996, 146245, 148904, 186130, 204743, 233992, 292490, 372260, 409486, 584980, 744520, 818972, 1023715, 1169960, 1637944, 2047430, 4094860, 8189720]

約数ペア:

[(1, 8189720), (2, 4094860), (4, 2047430), (5, 1637944), (7, 1169960), (8, 1023715), (10, 818972), (11, 744520), (14, 584980), (20, 409486), (22, 372260), (28, 292490), (35, 233992), (40, 204743), (44, 186130), (55, 148904), (56, 146245), (70, 116996), (77, 106360), (88, 93065), (110, 74452), (140, 58498), (154, 53180), (220, 37226), (280, 29249), (308, 26590), (385, 21272), (440, 18613), (616, 13295), (770, 10636), (1540, 5318), (2659, 3080)]