78581820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77041}}^1$

素因数の和:77070

約数の個数: 48

約数和(自身を含む): 232975008

約数和(自身を除く): 154393188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 77041, 154082, 231123, 308164, 385205, 462246, 770410, 924492, 1155615, 1309697, 1540820, 2311230, 2619394, 3929091, 4622460, 5238788, 6548485, 7858182, 13096970, 15716364, 19645455, 26193940, 39290910, 78581820]

約数ペア:

[(1, 78581820), (2, 39290910), (3, 26193940), (4, 19645455), (5, 15716364), (6, 13096970), (10, 7858182), (12, 6548485), (15, 5238788), (17, 4622460), (20, 3929091), (30, 2619394), (34, 2311230), (51, 1540820), (60, 1309697), (68, 1155615), (85, 924492), (102, 770410), (170, 462246), (204, 385205), (255, 308164), (340, 231123), (510, 154082), (1020, 77041)]