1306480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2333}}^1$

素因数の和:2353

約数の個数: 40

約数和(自身を含む): 3472992

約数和(自身を除く): 2166512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2333, 4666, 9332, 11665, 16331, 18664, 23330, 32662, 37328, 46660, 65324, 81655, 93320, 130648, 163310, 186640, 261296, 326620, 653240, 1306480]

約数ペア:

[(1, 1306480), (2, 653240), (4, 326620), (5, 261296), (7, 186640), (8, 163310), (10, 130648), (14, 93320), (16, 81655), (20, 65324), (28, 46660), (35, 37328), (40, 32662), (56, 23330), (70, 18664), (80, 16331), (112, 11665), (140, 9332), (280, 4666), (560, 2333)]