67309480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 173796480

約数和(自身を除く): 106487000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 421, 571, 842, 1142, 1684, 2105, 2284, 2855, 2947, 3368, 3997, 4210, 4568, 5710, 5894, 7994, 8420, 11420, 11788, 14735, 15988, 16840, 19985, 22840, 23576, 29470, 31976, 39970, 58940, 79940, 117880, 159880, 240391, 480782, 961564, 1201955, 1682737, 1923128, 2403910, 3365474, 4807820, 6730948, 8413685, 9615640, 13461896, 16827370, 33654740, 67309480]

約数ペア:

[(1, 67309480), (2, 33654740), (4, 16827370), (5, 13461896), (7, 9615640), (8, 8413685), (10, 6730948), (14, 4807820), (20, 3365474), (28, 2403910), (35, 1923128), (40, 1682737), (56, 1201955), (70, 961564), (140, 480782), (280, 240391), (421, 159880), (571, 117880), (842, 79940), (1142, 58940), (1684, 39970), (2105, 31976), (2284, 29470), (2855, 23576), (2947, 22840), (3368, 19985), (3997, 16840), (4210, 15988), (4568, 14735), (5710, 11788), (5894, 11420), (7994, 8420)]