1619024820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:790

約数の個数: 192

約数和(自身を含む): 5344475136

約数和(自身を除く): 3725450316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 157, 172, 210, 215, 258, 301, 314, 420, 430, 471, 516, 571, 602, 628, 645, 785, 860, 903, 942, 1099, 1142, 1204, 1290, 1505, 1570, 1713, 1806, 1884, 2198, 2284, 2355, 2580, 2855, 3010, 3140, 3297, 3426, 3612, 3997, 4396, 4515, 4710, 5495, 5710, 6020, 6594, 6751, 6852, 7994, 8565, 9030, 9420, 10990, 11420, 11991, 13188, 13502, 15988, 16485, 17130, 18060, 19985, 20253, 21980, 23982, 24553, 27004, 32970, 33755, 34260, 39970, 40506, 47257, 47964, 49106, 59955, 65940, 67510, 73659, 79940, 81012, 89647, 94514, 98212, 101265, 119910, 122765, 135020, 141771, 147318, 171871, 179294, 189028, 202530, 236285, 239820, 245530, 268941, 283542, 294636, 343742, 358588, 368295, 405060, 448235, 472570, 491060, 515613, 537882, 567084, 627529, 687484, 708855, 736590, 859355, 896470, 945140, 1031226, 1075764, 1255058, 1344705, 1417710, 1473180, 1718710, 1792940, 1882587, 2062452, 2510116, 2578065, 2689410, 2835420, 3137645, 3437420, 3765174, 3854821, 5156130, 5378820, 6275290, 7530348, 7709642, 9412935, 10312260, 11564463, 12550580, 15419284, 18825870, 19274105, 23128926, 26983747, 37651740, 38548210, 46257852, 53967494, 57822315, 77096420, 80951241, 107934988, 115644630, 134918735, 161902482, 231289260, 269837470, 323804964, 404756205, 539674940, 809512410, 1619024820]

約数ペア:

[(1, 1619024820), (2, 809512410), (3, 539674940), (4, 404756205), (5, 323804964), (6, 269837470), (7, 231289260), (10, 161902482), (12, 134918735), (14, 115644630), (15, 107934988), (20, 80951241), (21, 77096420), (28, 57822315), (30, 53967494), (35, 46257852), (42, 38548210), (43, 37651740), (60, 26983747), (70, 23128926), (84, 19274105), (86, 18825870), (105, 15419284), (129, 12550580), (140, 11564463), (157, 10312260), (172, 9412935), (210, 7709642), (215, 7530348), (258, 6275290), (301, 5378820), (314, 5156130), (420, 3854821), (430, 3765174), (471, 3437420), (516, 3137645), (571, 2835420), (602, 2689410), (628, 2578065), (645, 2510116), (785, 2062452), (860, 1882587), (903, 1792940), (942, 1718710), (1099, 1473180), (1142, 1417710), (1204, 1344705), (1290, 1255058), (1505, 1075764), (1570, 1031226), (1713, 945140), (1806, 896470), (1884, 859355), (2198, 736590), (2284, 708855), (2355, 687484), (2580, 627529), (2855, 567084), (3010, 537882), (3140, 515613), (3297, 491060), (3426, 472570), (3612, 448235), (3997, 405060), (4396, 368295), (4515, 358588), (4710, 343742), (5495, 294636), (5710, 283542), (6020, 268941), (6594, 245530), (6751, 239820), (6852, 236285), (7994, 202530), (8565, 189028), (9030, 179294), (9420, 171871), (10990, 147318), (11420, 141771), (11991, 135020), (13188, 122765), (13502, 119910), (15988, 101265), (16485, 98212), (17130, 94514), (18060, 89647), (19985, 81012), (20253, 79940), (21980, 73659), (23982, 67510), (24553, 65940), (27004, 59955), (32970, 49106), (33755, 47964), (34260, 47257), (39970, 40506)]