449972040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1091}}^1$

素因数の和:1603

約数の個数: 128

約数和(自身を含む): 1547320320

約数和(自身を除く): 1097348280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 491, 840, 982, 1091, 1473, 1964, 2182, 2455, 2946, 3273, 3437, 3928, 4364, 4910, 5455, 5892, 6546, 6874, 7365, 7637, 8728, 9820, 10311, 10910, 11784, 13092, 13748, 14730, 15274, 16365, 17185, 19640, 20622, 21820, 22911, 26184, 27496, 29460, 30548, 32730, 34370, 38185, 41244, 43640, 45822, 51555, 58920, 61096, 65460, 68740, 76370, 82488, 91644, 103110, 114555, 130920, 137480, 152740, 183288, 206220, 229110, 305480, 412440, 458220, 535681, 916440, 1071362, 1607043, 2142724, 2678405, 3214086, 3749767, 4285448, 5356810, 6428172, 7499534, 8035215, 10713620, 11249301, 12856344, 14999068, 16070430, 18748835, 21427240, 22498602, 29998136, 32140860, 37497670, 44997204, 56246505, 64281720, 74995340, 89994408, 112493010, 149990680, 224986020, 449972040]

約数ペア:

[(1, 449972040), (2, 224986020), (3, 149990680), (4, 112493010), (5, 89994408), (6, 74995340), (7, 64281720), (8, 56246505), (10, 44997204), (12, 37497670), (14, 32140860), (15, 29998136), (20, 22498602), (21, 21427240), (24, 18748835), (28, 16070430), (30, 14999068), (35, 12856344), (40, 11249301), (42, 10713620), (56, 8035215), (60, 7499534), (70, 6428172), (84, 5356810), (105, 4285448), (120, 3749767), (140, 3214086), (168, 2678405), (210, 2142724), (280, 1607043), (420, 1071362), (491, 916440), (840, 535681), (982, 458220), (1091, 412440), (1473, 305480), (1964, 229110), (2182, 206220), (2455, 183288), (2946, 152740), (3273, 137480), (3437, 130920), (3928, 114555), (4364, 103110), (4910, 91644), (5455, 82488), (5892, 76370), (6546, 68740), (6874, 65460), (7365, 61096), (7637, 58920), (8728, 51555), (9820, 45822), (10311, 43640), (10910, 41244), (11784, 38185), (13092, 34370), (13748, 32730), (14730, 30548), (15274, 29460), (16365, 27496), (17185, 26184), (19640, 22911), (20622, 21820)]