21071570400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{55219}}^1$

素因数の和:55298

約数の個数: 216

約数和(自身を含む): 75706951320

約数和(自身を除く): 54635380920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 53, 60, 72, 75, 80, 90, 96, 100, 106, 120, 144, 150, 159, 160, 180, 200, 212, 225, 240, 265, 288, 300, 318, 360, 400, 424, 450, 477, 480, 530, 600, 636, 720, 795, 800, 848, 900, 954, 1060, 1200, 1272, 1325, 1440, 1590, 1696, 1800, 1908, 2120, 2385, 2400, 2544, 2650, 3180, 3600, 3816, 3975, 4240, 4770, 5088, 5300, 6360, 7200, 7632, 7950, 8480, 9540, 10600, 11925, 12720, 15264, 15900, 19080, 21200, 23850, 25440, 31800, 38160, 42400, 47700, 55219, 63600, 76320, 95400, 110438, 127200, 165657, 190800, 220876, 276095, 331314, 381600, 441752, 496971, 552190, 662628, 828285, 883504, 993942, 1104380, 1325256, 1380475, 1656570, 1767008, 1987884, 2208760, 2484855, 2650512, 2760950, 2926607, 3313140, 3975768, 4141425, 4417520, 4969710, 5301024, 5521900, 5853214, 6626280, 7951536, 8282850, 8779821, 8835040, 9939420, 11043800, 11706428, 12424275, 13252560, 14633035, 15903072, 16565700, 17559642, 19878840, 22087600, 23412856, 24848550, 26339463, 26505120, 29266070, 33131400, 35119284, 39757680, 43899105, 44175200, 46825712, 49697100, 52678926, 58532140, 66262800, 70238568, 73165175, 79515360, 87798210, 93651424, 99394200, 105357852, 117064280, 131697315, 132525600, 140477136, 146330350, 175596420, 198788400, 210715704, 219495525, 234128560, 263394630, 280954272, 292660700, 351192840, 397576800, 421431408, 438991050, 468257120, 526789260, 585321400, 658486575, 702385680, 842862816, 877982100, 1053578520, 1170642800, 1316973150, 1404771360, 1755964200, 2107157040, 2341285600, 2633946300, 3511928400, 4214314080, 5267892600, 7023856800, 10535785200, 21071570400]

約数ペア:

[(1, 21071570400), (2, 10535785200), (3, 7023856800), (4, 5267892600), (5, 4214314080), (6, 3511928400), (8, 2633946300), (9, 2341285600), (10, 2107157040), (12, 1755964200), (15, 1404771360), (16, 1316973150), (18, 1170642800), (20, 1053578520), (24, 877982100), (25, 842862816), (30, 702385680), (32, 658486575), (36, 585321400), (40, 526789260), (45, 468257120), (48, 438991050), (50, 421431408), (53, 397576800), (60, 351192840), (72, 292660700), (75, 280954272), (80, 263394630), (90, 234128560), (96, 219495525), (100, 210715704), (106, 198788400), (120, 175596420), (144, 146330350), (150, 140477136), (159, 132525600), (160, 131697315), (180, 117064280), (200, 105357852), (212, 99394200), (225, 93651424), (240, 87798210), (265, 79515360), (288, 73165175), (300, 70238568), (318, 66262800), (360, 58532140), (400, 52678926), (424, 49697100), (450, 46825712), (477, 44175200), (480, 43899105), (530, 39757680), (600, 35119284), (636, 33131400), (720, 29266070), (795, 26505120), (800, 26339463), (848, 24848550), (900, 23412856), (954, 22087600), (1060, 19878840), (1200, 17559642), (1272, 16565700), (1325, 15903072), (1440, 14633035), (1590, 13252560), (1696, 12424275), (1800, 11706428), (1908, 11043800), (2120, 9939420), (2385, 8835040), (2400, 8779821), (2544, 8282850), (2650, 7951536), (3180, 6626280), (3600, 5853214), (3816, 5521900), (3975, 5301024), (4240, 4969710), (4770, 4417520), (5088, 4141425), (5300, 3975768), (6360, 3313140), (7200, 2926607), (7632, 2760950), (7950, 2650512), (8480, 2484855), (9540, 2208760), (10600, 1987884), (11925, 1767008), (12720, 1656570), (15264, 1380475), (15900, 1325256), (19080, 1104380), (21200, 993942), (23850, 883504), (25440, 828285), (31800, 662628), (38160, 552190), (42400, 496971), (47700, 441752), (55219, 381600), (63600, 331314), (76320, 276095), (95400, 220876), (110438, 190800), (127200, 165657)]