71169915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 126720000

約数和(自身を除く): 55550085

約数列:

[1, 3, 5, 15, 19, 29, 57, 79, 87, 95, 109, 145, 237, 285, 327, 395, 435, 545, 551, 1185, 1501, 1635, 1653, 2071, 2291, 2755, 3161, 4503, 6213, 6873, 7505, 8265, 8611, 9483, 10355, 11455, 15805, 22515, 25833, 31065, 34365, 43055, 43529, 47415, 60059, 129165, 130587, 163609, 180177, 217645, 249719, 300295, 490827, 652935, 749157, 818045, 900885, 1248595, 2454135, 3745785, 4744661, 14233983, 23723305, 71169915]

約数ペア:

[(1, 71169915), (3, 23723305), (5, 14233983), (15, 4744661), (19, 3745785), (29, 2454135), (57, 1248595), (79, 900885), (87, 818045), (95, 749157), (109, 652935), (145, 490827), (237, 300295), (285, 249719), (327, 217645), (395, 180177), (435, 163609), (545, 130587), (551, 129165), (1185, 60059), (1501, 47415), (1635, 43529), (1653, 43055), (2071, 34365), (2291, 31065), (2755, 25833), (3161, 22515), (4503, 15805), (6213, 11455), (6873, 10355), (7505, 9483), (8265, 8611)]