53971020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 176816640

約数和(自身を除く): 122845620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 190, 215, 228, 258, 285, 342, 367, 380, 387, 430, 516, 570, 645, 684, 734, 774, 817, 855, 860, 1101, 1140, 1290, 1468, 1548, 1634, 1710, 1835, 1935, 2202, 2451, 2580, 3268, 3303, 3420, 3670, 3870, 4085, 4404, 4902, 5505, 6606, 6973, 7340, 7353, 7740, 8170, 9804, 11010, 12255, 13212, 13946, 14706, 15781, 16340, 16515, 20919, 22020, 24510, 27892, 29412, 31562, 33030, 34865, 36765, 41838, 47343, 49020, 62757, 63124, 66060, 69730, 73530, 78905, 83676, 94686, 104595, 125514, 139460, 142029, 147060, 157810, 189372, 209190, 236715, 251028, 284058, 299839, 313785, 315620, 418380, 473430, 568116, 599678, 627570, 710145, 899517, 946860, 1199356, 1255140, 1420290, 1499195, 1799034, 2698551, 2840580, 2998390, 3598068, 4497585, 5397102, 5996780, 8995170, 10794204, 13492755, 17990340, 26985510, 53971020]

約数ペア:

[(1, 53971020), (2, 26985510), (3, 17990340), (4, 13492755), (5, 10794204), (6, 8995170), (9, 5996780), (10, 5397102), (12, 4497585), (15, 3598068), (18, 2998390), (19, 2840580), (20, 2698551), (30, 1799034), (36, 1499195), (38, 1420290), (43, 1255140), (45, 1199356), (57, 946860), (60, 899517), (76, 710145), (86, 627570), (90, 599678), (95, 568116), (114, 473430), (129, 418380), (171, 315620), (172, 313785), (180, 299839), (190, 284058), (215, 251028), (228, 236715), (258, 209190), (285, 189372), (342, 157810), (367, 147060), (380, 142029), (387, 139460), (430, 125514), (516, 104595), (570, 94686), (645, 83676), (684, 78905), (734, 73530), (774, 69730), (817, 66060), (855, 63124), (860, 62757), (1101, 49020), (1140, 47343), (1290, 41838), (1468, 36765), (1548, 34865), (1634, 33030), (1710, 31562), (1835, 29412), (1935, 27892), (2202, 24510), (2451, 22020), (2580, 20919), (3268, 16515), (3303, 16340), (3420, 15781), (3670, 14706), (3870, 13946), (4085, 13212), (4404, 12255), (4902, 11010), (5505, 9804), (6606, 8170), (6973, 7740), (7340, 7353)]