391590120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{13001}}^1$

素因数の和:13266

約数の個数: 64

約数和(自身を含む): 1179541440

約数和(自身を除く): 787951320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 5020, 6024, 7530, 10040, 13001, 15060, 26002, 30120, 39003, 52004, 65005, 78006, 104008, 130010, 156012, 195015, 260020, 312024, 390030, 520040, 780060, 1560120, 3263251, 6526502, 9789753, 13053004, 16316255, 19579506, 26106008, 32632510, 39159012, 48948765, 65265020, 78318024, 97897530, 130530040, 195795060, 391590120]

約数ペア:

[(1, 391590120), (2, 195795060), (3, 130530040), (4, 97897530), (5, 78318024), (6, 65265020), (8, 48948765), (10, 39159012), (12, 32632510), (15, 26106008), (20, 19579506), (24, 16316255), (30, 13053004), (40, 9789753), (60, 6526502), (120, 3263251), (251, 1560120), (502, 780060), (753, 520040), (1004, 390030), (1255, 312024), (1506, 260020), (2008, 195015), (2510, 156012), (3012, 130010), (3765, 104008), (5020, 78006), (6024, 65005), (7530, 52004), (10040, 39003), (13001, 30120), (15060, 26002)]