78916890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11903}}^1$

素因数の和:11943

約数の個数: 64

約数和(自身を含む): 215986176

約数和(自身を除く): 137069286

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 11903, 23806, 35709, 59515, 71418, 119030, 154739, 178545, 202351, 309478, 357090, 404702, 464217, 607053, 773695, 928434, 1011755, 1214106, 1547390, 2023510, 2321085, 2630563, 3035265, 4642170, 5261126, 6070530, 7891689, 13152815, 15783378, 26305630, 39458445, 78916890]

約数ペア:

[(1, 78916890), (2, 39458445), (3, 26305630), (5, 15783378), (6, 13152815), (10, 7891689), (13, 6070530), (15, 5261126), (17, 4642170), (26, 3035265), (30, 2630563), (34, 2321085), (39, 2023510), (51, 1547390), (65, 1214106), (78, 1011755), (85, 928434), (102, 773695), (130, 607053), (170, 464217), (195, 404702), (221, 357090), (255, 309478), (390, 202351), (442, 178545), (510, 154739), (663, 119030), (1105, 71418), (1326, 59515), (2210, 35709), (3315, 23806), (6630, 11903)]