417801720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1013}}^1$

素因数の和:1525

約数の個数: 128

約数和(自身を含む): 1436797440

約数和(自身を除く): 1018995720

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, 1013, 1473, 1964, 2026, 2455, 2946, 3039, 3437, 3928, 4052, 4910, 5065, 5892, 6078, 6874, 7091, 7365, 8104, 9820, 10130, 10311, 11784, 12156, 13748, 14182, 14730, 15195, 17185, 19640, 20260, 20622, 21273, 24312, 27496, 28364, 29460, 30390, 34370, 35455, 40520, 41244, 42546, 51555, 56728, 58920, 60780, 68740, 70910, 82488, 85092, 103110, 106365, 121560, 137480, 141820, 170184, 206220, 212730, 283640, 412440, 425460, 497383, 850920, 994766, 1492149, 1989532, 2486915, 2984298, 3481681, 3979064, 4973830, 5968596, 6963362, 7460745, 9947660, 10445043, 11937192, 13926724, 14921490, 17408405, 19895320, 20890086, 27853448, 29842980, 34816810, 41780172, 52225215, 59685960, 69633620, 83560344, 104450430, 139267240, 208900860, 417801720]

約数ペア:

[(1, 417801720), (2, 208900860), (3, 139267240), (4, 104450430), (5, 83560344), (6, 69633620), (7, 59685960), (8, 52225215), (10, 41780172), (12, 34816810), (14, 29842980), (15, 27853448), (20, 20890086), (21, 19895320), (24, 17408405), (28, 14921490), (30, 13926724), (35, 11937192), (40, 10445043), (42, 9947660), (56, 7460745), (60, 6963362), (70, 5968596), (84, 4973830), (105, 3979064), (120, 3481681), (140, 2984298), (168, 2486915), (210, 1989532), (280, 1492149), (420, 994766), (491, 850920), (840, 497383), (982, 425460), (1013, 412440), (1473, 283640), (1964, 212730), (2026, 206220), (2455, 170184), (2946, 141820), (3039, 137480), (3437, 121560), (3928, 106365), (4052, 103110), (4910, 85092), (5065, 82488), (5892, 70910), (6078, 68740), (6874, 60780), (7091, 58920), (7365, 56728), (8104, 51555), (9820, 42546), (10130, 41244), (10311, 40520), (11784, 35455), (12156, 34370), (13748, 30390), (14182, 29460), (14730, 28364), (15195, 27496), (17185, 24312), (19640, 21273), (20260, 20622)]