1561921200

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{61981}}^1$

素因数の和:62012

約数の個数: 180

約数和(自身を含む): 6194729008

約数和(自身を除く): 4632807808

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, 840, 900, 1008, 1050, 1200, 1260, 1400, 1575, 1680, 1800, 2100, 2520, 2800, 3150, 3600, 4200, 5040, 6300, 8400, 12600, 25200, 61981, 123962, 185943, 247924, 309905, 371886, 433867, 495848, 557829, 619810, 743772, 867734, 929715, 991696, 1115658, 1239620, 1301601, 1487544, 1549525, 1735468, 1859430, 2169335, 2231316, 2479240, 2603202, 2789145, 2975088, 3099050, 3470936, 3718860, 3904803, 4338670, 4462632, 4648575, 4958480, 5206404, 5578290, 6198100, 6508005, 6941872, 7437720, 7809606, 8677340, 8925264, 9297150, 10412808, 10846675, 11156580, 12396200, 13016010, 13945725, 14875440, 15619212, 17354680, 18594300, 19524015, 20825616, 21693350, 22313160, 24792400, 26032020, 27891450, 31238424, 32540025, 34709360, 37188600, 39048030, 43386700, 44626320, 52064040, 55782900, 62476848, 65080050, 74377200, 78096060, 86773400, 97620075, 104128080, 111565800, 130160100, 156192120, 173546800, 195240150, 223131600, 260320200, 312384240, 390480300, 520640400, 780960600, 1561921200]

約数ペア:

[(1, 1561921200), (2, 780960600), (3, 520640400), (4, 390480300), (5, 312384240), (6, 260320200), (7, 223131600), (8, 195240150), (9, 173546800), (10, 156192120), (12, 130160100), (14, 111565800), (15, 104128080), (16, 97620075), (18, 86773400), (20, 78096060), (21, 74377200), (24, 65080050), (25, 62476848), (28, 55782900), (30, 52064040), (35, 44626320), (36, 43386700), (40, 39048030), (42, 37188600), (45, 34709360), (48, 32540025), (50, 31238424), (56, 27891450), (60, 26032020), (63, 24792400), (70, 22313160), (72, 21693350), (75, 20825616), (80, 19524015), (84, 18594300), (90, 17354680), (100, 15619212), (105, 14875440), (112, 13945725), (120, 13016010), (126, 12396200), (140, 11156580), (144, 10846675), (150, 10412808), (168, 9297150), (175, 8925264), (180, 8677340), (200, 7809606), (210, 7437720), (225, 6941872), (240, 6508005), (252, 6198100), (280, 5578290), (300, 5206404), (315, 4958480), (336, 4648575), (350, 4462632), (360, 4338670), (400, 3904803), (420, 3718860), (450, 3470936), (504, 3099050), (525, 2975088), (560, 2789145), (600, 2603202), (630, 2479240), (700, 2231316), (720, 2169335), (840, 1859430), (900, 1735468), (1008, 1549525), (1050, 1487544), (1200, 1301601), (1260, 1239620), (1400, 1115658), (1575, 991696), (1680, 929715), (1800, 867734), (2100, 743772), (2520, 619810), (2800, 557829), (3150, 495848), (3600, 433867), (4200, 371886), (5040, 309905), (6300, 247924), (8400, 185943), (12600, 123962), (25200, 61981)]