78844980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4547}}^1$

素因数の和:4593

約数の個数: 72

約数和(自身を含む): 234567648

約数和(自身を除く): 155722668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1445, 1734, 2890, 3468, 4335, 4547, 5780, 8670, 9094, 13641, 17340, 18188, 22735, 27282, 45470, 54564, 68205, 77299, 90940, 136410, 154598, 231897, 272820, 309196, 386495, 463794, 772990, 927588, 1159485, 1314083, 1545980, 2318970, 2628166, 3942249, 4637940, 5256332, 6570415, 7884498, 13140830, 15768996, 19711245, 26281660, 39422490, 78844980]

約数ペア:

[(1, 78844980), (2, 39422490), (3, 26281660), (4, 19711245), (5, 15768996), (6, 13140830), (10, 7884498), (12, 6570415), (15, 5256332), (17, 4637940), (20, 3942249), (30, 2628166), (34, 2318970), (51, 1545980), (60, 1314083), (68, 1159485), (85, 927588), (102, 772990), (170, 463794), (204, 386495), (255, 309196), (289, 272820), (340, 231897), (510, 154598), (578, 136410), (867, 90940), (1020, 77299), (1156, 68205), (1445, 54564), (1734, 45470), (2890, 27282), (3468, 22735), (4335, 18188), (4547, 17340), (5780, 13641), (8670, 9094)]