65304820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1249

約数の個数: 96

約数和(自身を含む): 173311488

約数和(自身を除く): 108006668

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 68, 70, 85, 92, 115, 119, 140, 161, 170, 230, 238, 322, 340, 391, 460, 476, 595, 644, 782, 805, 1190, 1193, 1564, 1610, 1955, 2380, 2386, 2737, 3220, 3910, 4772, 5474, 5965, 7820, 8351, 10948, 11930, 13685, 16702, 20281, 23860, 27370, 27439, 33404, 40562, 41755, 54740, 54878, 81124, 83510, 101405, 109756, 137195, 141967, 167020, 192073, 202810, 274390, 283934, 384146, 405620, 466463, 548780, 567868, 709835, 768292, 932926, 960365, 1419670, 1865852, 1920730, 2332315, 2839340, 3265241, 3841460, 4664630, 6530482, 9329260, 13060964, 16326205, 32652410, 65304820]

約数ペア:

[(1, 65304820), (2, 32652410), (4, 16326205), (5, 13060964), (7, 9329260), (10, 6530482), (14, 4664630), (17, 3841460), (20, 3265241), (23, 2839340), (28, 2332315), (34, 1920730), (35, 1865852), (46, 1419670), (68, 960365), (70, 932926), (85, 768292), (92, 709835), (115, 567868), (119, 548780), (140, 466463), (161, 405620), (170, 384146), (230, 283934), (238, 274390), (322, 202810), (340, 192073), (391, 167020), (460, 141967), (476, 137195), (595, 109756), (644, 101405), (782, 83510), (805, 81124), (1190, 54878), (1193, 54740), (1564, 41755), (1610, 40562), (1955, 33404), (2380, 27439), (2386, 27370), (2737, 23860), (3220, 20281), (3910, 16702), (4772, 13685), (5474, 11930), (5965, 10948), (7820, 8351)]