81320400

素因数分解:

$2^4\times 3^2\times 5^2\times 7^2\times {\mathrm{461}}^1$

素因数の和:499

約数の個数: 270

約数和(自身を含む): 328990662

約数和(自身を除く): 247670262

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 49, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 98, 100, 105, 112, 120, 126, 140, 144, 147, 150, 168, 175, 180, 196, 200, 210, 225, 240, 245, 252, 280, 294, 300, 315, 336, 350, 360, 392, 400, 420, 441, 450, 461, 490, 504, 525, 560, 588, 600, 630, 700, 720, 735, 784, 840, 882, 900, 922, 980, 1008, 1050, 1176, 1200, 1225, 1260, 1383, 1400, 1470, 1575, 1680, 1764, 1800, 1844, 1960, 2100, 2205, 2305, 2352, 2450, 2520, 2766, 2800, 2940, 3150, 3227, 3528, 3600, 3675, 3688, 3920, 4149, 4200, 4410, 4610, 4900, 5040, 5532, 5880, 6300, 6454, 6915, 7056, 7350, 7376, 8298, 8400, 8820, 9220, 9681, 9800, 11025, 11064, 11525, 11760, 12600, 12908, 13830, 14700, 16135, 16596, 17640, 18440, 19362, 19600, 20745, 22050, 22128, 22589, 23050, 25200, 25816, 27660, 29043, 29400, 32270, 33192, 34575, 35280, 36880, 38724, 41490, 44100, 45178, 46100, 48405, 51632, 55320, 58086, 58800, 64540, 66384, 67767, 69150, 77448, 80675, 82980, 88200, 90356, 92200, 96810, 103725, 110640, 112945, 116172, 129080, 135534, 138300, 145215, 154896, 161350, 165960, 176400, 180712, 184400, 193620, 203301, 207450, 225890, 232344, 242025, 258160, 271068, 276600, 290430, 322700, 331920, 338835, 361424, 387240, 406602, 414900, 451780, 464688, 484050, 542136, 553200, 564725, 580860, 645400, 677670, 726075, 774480, 813204, 829800, 903560, 968100, 1016505, 1084272, 1129450, 1161720, 1290800, 1355340, 1452150, 1626408, 1659600, 1694175, 1807120, 1936200, 2033010, 2258900, 2323440, 2710680, 2904300, 3252816, 3388350, 3872400, 4066020, 4517800, 5082525, 5421360, 5808600, 6776700, 8132040, 9035600, 10165050, 11617200, 13553400, 16264080, 20330100, 27106800, 40660200, 81320400]

約数ペア:

[(1, 81320400), (2, 40660200), (3, 27106800), (4, 20330100), (5, 16264080), (6, 13553400), (7, 11617200), (8, 10165050), (9, 9035600), (10, 8132040), (12, 6776700), (14, 5808600), (15, 5421360), (16, 5082525), (18, 4517800), (20, 4066020), (21, 3872400), (24, 3388350), (25, 3252816), (28, 2904300), (30, 2710680), (35, 2323440), (36, 2258900), (40, 2033010), (42, 1936200), (45, 1807120), (48, 1694175), (49, 1659600), (50, 1626408), (56, 1452150), (60, 1355340), (63, 1290800), (70, 1161720), (72, 1129450), (75, 1084272), (80, 1016505), (84, 968100), (90, 903560), (98, 829800), (100, 813204), (105, 774480), (112, 726075), (120, 677670), (126, 645400), (140, 580860), (144, 564725), (147, 553200), (150, 542136), (168, 484050), (175, 464688), (180, 451780), (196, 414900), (200, 406602), (210, 387240), (225, 361424), (240, 338835), (245, 331920), (252, 322700), (280, 290430), (294, 276600), (300, 271068), (315, 258160), (336, 242025), (350, 232344), (360, 225890), (392, 207450), (400, 203301), (420, 193620), (441, 184400), (450, 180712), (461, 176400), (490, 165960), (504, 161350), (525, 154896), (560, 145215), (588, 138300), (600, 135534), (630, 129080), (700, 116172), (720, 112945), (735, 110640), (784, 103725), (840, 96810), (882, 92200), (900, 90356), (922, 88200), (980, 82980), (1008, 80675), (1050, 77448), (1176, 69150), (1200, 67767), (1225, 66384), (1260, 64540), (1383, 58800), (1400, 58086), (1470, 55320), (1575, 51632), (1680, 48405), (1764, 46100), (1800, 45178), (1844, 44100), (1960, 41490), (2100, 38724), (2205, 36880), (2305, 35280), (2352, 34575), (2450, 33192), (2520, 32270), (2766, 29400), (2800, 29043), (2940, 27660), (3150, 25816), (3227, 25200), (3528, 23050), (3600, 22589), (3675, 22128), (3688, 22050), (3920, 20745), (4149, 19600), (4200, 19362), (4410, 18440), (4610, 17640), (4900, 16596), (5040, 16135), (5532, 14700), (5880, 13830), (6300, 12908), (6454, 12600), (6915, 11760), (7056, 11525), (7350, 11064), (7376, 11025), (8298, 9800), (8400, 9681), (8820, 9220)]