1555207920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{308573}}^1$

素因数の和:308599

約数の個数: 120

約数和(自身を含む): 5969055456

約数和(自身を除く): 4413847536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 308573, 617146, 925719, 1234292, 1542865, 1851438, 2160011, 2468584, 2777157, 3085730, 3702876, 4320022, 4628595, 4937168, 5554314, 6171460, 6480033, 7405752, 8640044, 9257190, 10800055, 11108628, 12342920, 12960066, 13885785, 14811504, 17280088, 18514380, 19440099, 21600110, 22217256, 24685840, 25920132, 27771570, 32400165, 34560176, 37028760, 38880198, 43200220, 44434512, 51840264, 55543140, 64800330, 74057520, 77760396, 86400440, 97200495, 103680528, 111086280, 129600660, 155520792, 172800880, 194400990, 222172560, 259201320, 311041584, 388801980, 518402640, 777603960, 1555207920]

約数ペア:

[(1, 1555207920), (2, 777603960), (3, 518402640), (4, 388801980), (5, 311041584), (6, 259201320), (7, 222172560), (8, 194400990), (9, 172800880), (10, 155520792), (12, 129600660), (14, 111086280), (15, 103680528), (16, 97200495), (18, 86400440), (20, 77760396), (21, 74057520), (24, 64800330), (28, 55543140), (30, 51840264), (35, 44434512), (36, 43200220), (40, 38880198), (42, 37028760), (45, 34560176), (48, 32400165), (56, 27771570), (60, 25920132), (63, 24685840), (70, 22217256), (72, 21600110), (80, 19440099), (84, 18514380), (90, 17280088), (105, 14811504), (112, 13885785), (120, 12960066), (126, 12342920), (140, 11108628), (144, 10800055), (168, 9257190), (180, 8640044), (210, 7405752), (240, 6480033), (252, 6171460), (280, 5554314), (315, 4937168), (336, 4628595), (360, 4320022), (420, 3702876), (504, 3085730), (560, 2777157), (630, 2468584), (720, 2160011), (840, 1851438), (1008, 1542865), (1260, 1234292), (1680, 925719), (2520, 617146), (5040, 308573)]