82940940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2339}}^1$

素因数の和:2551

約数の個数: 72

約数和(自身を含む): 252972720

約数和(自身を除く): 170031780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2339, 2364, 2955, 3546, 3940, 4678, 5910, 7017, 7092, 8865, 9356, 11695, 11820, 14034, 17730, 21051, 23390, 28068, 35085, 35460, 42102, 46780, 70170, 84204, 105255, 140340, 210510, 421020, 460783, 921566, 1382349, 1843132, 2303915, 2764698, 4147047, 4607830, 5529396, 6911745, 8294094, 9215660, 13823490, 16588188, 20735235, 27646980, 41470470, 82940940]

約数ペア:

[(1, 82940940), (2, 41470470), (3, 27646980), (4, 20735235), (5, 16588188), (6, 13823490), (9, 9215660), (10, 8294094), (12, 6911745), (15, 5529396), (18, 4607830), (20, 4147047), (30, 2764698), (36, 2303915), (45, 1843132), (60, 1382349), (90, 921566), (180, 460783), (197, 421020), (394, 210510), (591, 140340), (788, 105255), (985, 84204), (1182, 70170), (1773, 46780), (1970, 42102), (2339, 35460), (2364, 35085), (2955, 28068), (3546, 23390), (3940, 21051), (4678, 17730), (5910, 14034), (7017, 11820), (7092, 11695), (8865, 9356)]