71916040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2543}}^1$

素因数の和:2662

約数の個数: 64

約数和(自身を含む): 186831360

約数和(自身を除く): 114915320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2543, 2828, 3535, 4040, 5086, 5656, 7070, 10172, 12715, 14140, 17801, 20344, 25430, 28280, 35602, 50860, 71204, 89005, 101720, 142408, 178010, 256843, 356020, 513686, 712040, 1027372, 1284215, 1797901, 2054744, 2568430, 3595802, 5136860, 7191604, 8989505, 10273720, 14383208, 17979010, 35958020, 71916040]

約数ペア:

[(1, 71916040), (2, 35958020), (4, 17979010), (5, 14383208), (7, 10273720), (8, 8989505), (10, 7191604), (14, 5136860), (20, 3595802), (28, 2568430), (35, 2054744), (40, 1797901), (56, 1284215), (70, 1027372), (101, 712040), (140, 513686), (202, 356020), (280, 256843), (404, 178010), (505, 142408), (707, 101720), (808, 89005), (1010, 71204), (1414, 50860), (2020, 35602), (2543, 28280), (2828, 25430), (3535, 20344), (4040, 17801), (5086, 14140), (5656, 12715), (7070, 10172)]