280040400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{727}}^1$

素因数の和:858

約数の個数: 180

約数和(自身を含む): 982249632

約数和(自身を除く): 702209232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 107, 120, 144, 150, 180, 200, 214, 225, 240, 300, 321, 360, 400, 428, 450, 535, 600, 642, 720, 727, 856, 900, 963, 1070, 1200, 1284, 1454, 1605, 1712, 1800, 1926, 2140, 2181, 2568, 2675, 2908, 3210, 3600, 3635, 3852, 4280, 4362, 4815, 5136, 5350, 5816, 6420, 6543, 7270, 7704, 8025, 8560, 8724, 9630, 10700, 10905, 11632, 12840, 13086, 14540, 15408, 16050, 17448, 18175, 19260, 21400, 21810, 24075, 25680, 26172, 29080, 32100, 32715, 34896, 36350, 38520, 42800, 43620, 48150, 52344, 54525, 58160, 64200, 65430, 72700, 77040, 77789, 87240, 96300, 104688, 109050, 128400, 130860, 145400, 155578, 163575, 174480, 192600, 218100, 233367, 261720, 290800, 311156, 327150, 385200, 388945, 436200, 466734, 523440, 622312, 654300, 700101, 777890, 872400, 933468, 1166835, 1244624, 1308600, 1400202, 1555780, 1866936, 1944725, 2333670, 2617200, 2800404, 3111560, 3500505, 3733872, 3889450, 4667340, 5600808, 5834175, 6223120, 7001010, 7778900, 9334680, 11201616, 11668350, 14002020, 15557800, 17502525, 18669360, 23336700, 28004040, 31115600, 35005050, 46673400, 56008080, 70010100, 93346800, 140020200, 280040400]

約数ペア:

[(1, 280040400), (2, 140020200), (3, 93346800), (4, 70010100), (5, 56008080), (6, 46673400), (8, 35005050), (9, 31115600), (10, 28004040), (12, 23336700), (15, 18669360), (16, 17502525), (18, 15557800), (20, 14002020), (24, 11668350), (25, 11201616), (30, 9334680), (36, 7778900), (40, 7001010), (45, 6223120), (48, 5834175), (50, 5600808), (60, 4667340), (72, 3889450), (75, 3733872), (80, 3500505), (90, 3111560), (100, 2800404), (107, 2617200), (120, 2333670), (144, 1944725), (150, 1866936), (180, 1555780), (200, 1400202), (214, 1308600), (225, 1244624), (240, 1166835), (300, 933468), (321, 872400), (360, 777890), (400, 700101), (428, 654300), (450, 622312), (535, 523440), (600, 466734), (642, 436200), (720, 388945), (727, 385200), (856, 327150), (900, 311156), (963, 290800), (1070, 261720), (1200, 233367), (1284, 218100), (1454, 192600), (1605, 174480), (1712, 163575), (1800, 155578), (1926, 145400), (2140, 130860), (2181, 128400), (2568, 109050), (2675, 104688), (2908, 96300), (3210, 87240), (3600, 77789), (3635, 77040), (3852, 72700), (4280, 65430), (4362, 64200), (4815, 58160), (5136, 54525), (5350, 52344), (5816, 48150), (6420, 43620), (6543, 42800), (7270, 38520), (7704, 36350), (8025, 34896), (8560, 32715), (8724, 32100), (9630, 29080), (10700, 26172), (10905, 25680), (11632, 24075), (12840, 21810), (13086, 21400), (14540, 19260), (15408, 18175), (16050, 17448)]