7681830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19697}}^1$

素因数の和:19720

約数の個数: 32

約数和(自身を含む): 19855584

約数和(自身を除く): 12173754

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 19697, 39394, 59091, 98485, 118182, 196970, 256061, 295455, 512122, 590910, 768183, 1280305, 1536366, 2560610, 3840915, 7681830]

約数ペア:

[(1, 7681830), (2, 3840915), (3, 2560610), (5, 1536366), (6, 1280305), (10, 768183), (13, 590910), (15, 512122), (26, 295455), (30, 256061), (39, 196970), (65, 118182), (78, 98485), (130, 59091), (195, 39394), (390, 19697)]