81302160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19927}}^1$

素因数の和:19960

約数の個数: 80

約数和(自身を含む): 266875776

約数和(自身を除く): 185573616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 19927, 39854, 59781, 79708, 99635, 119562, 159416, 199270, 239124, 298905, 318832, 338759, 398540, 478248, 597810, 677518, 797080, 956496, 1016277, 1195620, 1355036, 1594160, 1693795, 2032554, 2391240, 2710072, 3387590, 4065108, 4782480, 5081385, 5420144, 6775180, 8130216, 10162770, 13550360, 16260432, 20325540, 27100720, 40651080, 81302160]

約数ペア:

[(1, 81302160), (2, 40651080), (3, 27100720), (4, 20325540), (5, 16260432), (6, 13550360), (8, 10162770), (10, 8130216), (12, 6775180), (15, 5420144), (16, 5081385), (17, 4782480), (20, 4065108), (24, 3387590), (30, 2710072), (34, 2391240), (40, 2032554), (48, 1693795), (51, 1594160), (60, 1355036), (68, 1195620), (80, 1016277), (85, 956496), (102, 797080), (120, 677518), (136, 597810), (170, 478248), (204, 398540), (240, 338759), (255, 318832), (272, 298905), (340, 239124), (408, 199270), (510, 159416), (680, 119562), (816, 99635), (1020, 79708), (1360, 59781), (2040, 39854), (4080, 19927)]