18320400

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{727}}^1$

素因数の和:758

約数の個数: 180

約数和(自身を含む): 72759232

約数和(自身を除く): 54438832

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, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 720, 727, 840, 900, 1008, 1050, 1200, 1260, 1400, 1454, 1575, 1680, 1800, 2100, 2181, 2520, 2800, 2908, 3150, 3600, 3635, 4200, 4362, 5040, 5089, 5816, 6300, 6543, 7270, 8400, 8724, 10178, 10905, 11632, 12600, 13086, 14540, 15267, 17448, 18175, 20356, 21810, 25200, 25445, 26172, 29080, 30534, 32715, 34896, 36350, 40712, 43620, 45801, 50890, 52344, 54525, 58160, 61068, 65430, 72700, 76335, 81424, 87240, 91602, 101780, 104688, 109050, 122136, 127225, 130860, 145400, 152670, 163575, 174480, 183204, 203560, 218100, 229005, 244272, 254450, 261720, 290800, 305340, 327150, 366408, 381675, 407120, 436200, 458010, 508900, 523440, 610680, 654300, 732816, 763350, 872400, 916020, 1017800, 1145025, 1221360, 1308600, 1526700, 1832040, 2035600, 2290050, 2617200, 3053400, 3664080, 4580100, 6106800, 9160200, 18320400]

約数ペア:

[(1, 18320400), (2, 9160200), (3, 6106800), (4, 4580100), (5, 3664080), (6, 3053400), (7, 2617200), (8, 2290050), (9, 2035600), (10, 1832040), (12, 1526700), (14, 1308600), (15, 1221360), (16, 1145025), (18, 1017800), (20, 916020), (21, 872400), (24, 763350), (25, 732816), (28, 654300), (30, 610680), (35, 523440), (36, 508900), (40, 458010), (42, 436200), (45, 407120), (48, 381675), (50, 366408), (56, 327150), (60, 305340), (63, 290800), (70, 261720), (72, 254450), (75, 244272), (80, 229005), (84, 218100), (90, 203560), (100, 183204), (105, 174480), (112, 163575), (120, 152670), (126, 145400), (140, 130860), (144, 127225), (150, 122136), (168, 109050), (175, 104688), (180, 101780), (200, 91602), (210, 87240), (225, 81424), (240, 76335), (252, 72700), (280, 65430), (300, 61068), (315, 58160), (336, 54525), (350, 52344), (360, 50890), (400, 45801), (420, 43620), (450, 40712), (504, 36350), (525, 34896), (560, 32715), (600, 30534), (630, 29080), (700, 26172), (720, 25445), (727, 25200), (840, 21810), (900, 20356), (1008, 18175), (1050, 17448), (1200, 15267), (1260, 14540), (1400, 13086), (1454, 12600), (1575, 11632), (1680, 10905), (1800, 10178), (2100, 8724), (2181, 8400), (2520, 7270), (2800, 6543), (2908, 6300), (3150, 5816), (3600, 5089), (3635, 5040), (4200, 4362)]