1020975760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{260453}}^1$

素因数の和:260480

約数の個数: 60

約数和(自身を含む): 2761333308

約数和(自身を除く): 1740357548

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 260453, 520906, 1041812, 1302265, 1823171, 2083624, 2604530, 3646342, 4167248, 5209060, 7292684, 9115855, 10418120, 12762197, 14585368, 18231710, 20836240, 25524394, 29170736, 36463420, 51048788, 63810985, 72926840, 102097576, 127621970, 145853680, 204195152, 255243940, 510487880, 1020975760]

約数ペア:

[(1, 1020975760), (2, 510487880), (4, 255243940), (5, 204195152), (7, 145853680), (8, 127621970), (10, 102097576), (14, 72926840), (16, 63810985), (20, 51048788), (28, 36463420), (35, 29170736), (40, 25524394), (49, 20836240), (56, 18231710), (70, 14585368), (80, 12762197), (98, 10418120), (112, 9115855), (140, 7292684), (196, 5209060), (245, 4167248), (280, 3646342), (392, 2604530), (490, 2083624), (560, 1823171), (784, 1302265), (980, 1041812), (1960, 520906), (3920, 260453)]