74644640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{9521}}^1$

素因数の和:9550

約数の個数: 72

約数和(自身を含む): 205161012

約数和(自身を除く): 130516372

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 9521, 19042, 38084, 47605, 66647, 76168, 95210, 133294, 152336, 190420, 266588, 304672, 333235, 380840, 466529, 533176, 666470, 761680, 933058, 1066352, 1332940, 1523360, 1866116, 2132704, 2332645, 2665880, 3732232, 4665290, 5331760, 7464464, 9330580, 10663520, 14928928, 18661160, 37322320, 74644640]

約数ペア:

[(1, 74644640), (2, 37322320), (4, 18661160), (5, 14928928), (7, 10663520), (8, 9330580), (10, 7464464), (14, 5331760), (16, 4665290), (20, 3732232), (28, 2665880), (32, 2332645), (35, 2132704), (40, 1866116), (49, 1523360), (56, 1332940), (70, 1066352), (80, 933058), (98, 761680), (112, 666470), (140, 533176), (160, 466529), (196, 380840), (224, 333235), (245, 304672), (280, 266588), (392, 190420), (490, 152336), (560, 133294), (784, 95210), (980, 76168), (1120, 66647), (1568, 47605), (1960, 38084), (3920, 19042), (7840, 9521)]