154773580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1579}}^1$

素因数の和:1643

約数の個数: 72

約数和(自身を含む): 364316400

約数和(自身を除く): 209542820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 260, 290, 338, 377, 580, 676, 754, 845, 1508, 1579, 1690, 1885, 3158, 3380, 3770, 4901, 6316, 7540, 7895, 9802, 15790, 19604, 20527, 24505, 31580, 41054, 45791, 49010, 82108, 91582, 98020, 102635, 183164, 205270, 228955, 266851, 410540, 457910, 533702, 595283, 915820, 1067404, 1190566, 1334255, 2381132, 2668510, 2976415, 5337020, 5952830, 7738679, 11905660, 15477358, 30954716, 38693395, 77386790, 154773580]

約数ペア:

[(1, 154773580), (2, 77386790), (4, 38693395), (5, 30954716), (10, 15477358), (13, 11905660), (20, 7738679), (26, 5952830), (29, 5337020), (52, 2976415), (58, 2668510), (65, 2381132), (116, 1334255), (130, 1190566), (145, 1067404), (169, 915820), (260, 595283), (290, 533702), (338, 457910), (377, 410540), (580, 266851), (676, 228955), (754, 205270), (845, 183164), (1508, 102635), (1579, 98020), (1690, 91582), (1885, 82108), (3158, 49010), (3380, 45791), (3770, 41054), (4901, 31580), (6316, 24505), (7540, 20527), (7895, 19604), (9802, 15790)]