2021293320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1811}}^1$

素因数の和:2027

約数の個数: 128

約数和(自身を含む): 6199649280

約数和(自身を除く): 4178355960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 131, 142, 213, 262, 284, 355, 393, 426, 524, 568, 655, 710, 786, 852, 1048, 1065, 1310, 1420, 1572, 1704, 1811, 1965, 2130, 2620, 2840, 3144, 3622, 3930, 4260, 5240, 5433, 7244, 7860, 8520, 9055, 9301, 10866, 14488, 15720, 18110, 18602, 21732, 27165, 27903, 36220, 37204, 43464, 46505, 54330, 55806, 72440, 74408, 93010, 108660, 111612, 128581, 139515, 186020, 217320, 223224, 237241, 257162, 279030, 372040, 385743, 474482, 514324, 558060, 642905, 711723, 771486, 948964, 1028648, 1116120, 1186205, 1285810, 1423446, 1542972, 1897928, 1928715, 2372410, 2571620, 2846892, 3085944, 3558615, 3857430, 4744820, 5143240, 5693784, 7117230, 7714860, 9489640, 14234460, 15429720, 16844111, 28468920, 33688222, 50532333, 67376444, 84220555, 101064666, 134752888, 168441110, 202129332, 252661665, 336882220, 404258664, 505323330, 673764440, 1010646660, 2021293320]

約数ペア:

[(1, 2021293320), (2, 1010646660), (3, 673764440), (4, 505323330), (5, 404258664), (6, 336882220), (8, 252661665), (10, 202129332), (12, 168441110), (15, 134752888), (20, 101064666), (24, 84220555), (30, 67376444), (40, 50532333), (60, 33688222), (71, 28468920), (120, 16844111), (131, 15429720), (142, 14234460), (213, 9489640), (262, 7714860), (284, 7117230), (355, 5693784), (393, 5143240), (426, 4744820), (524, 3857430), (568, 3558615), (655, 3085944), (710, 2846892), (786, 2571620), (852, 2372410), (1048, 1928715), (1065, 1897928), (1310, 1542972), (1420, 1423446), (1572, 1285810), (1704, 1186205), (1811, 1116120), (1965, 1028648), (2130, 948964), (2620, 771486), (2840, 711723), (3144, 642905), (3622, 558060), (3930, 514324), (4260, 474482), (5240, 385743), (5433, 372040), (7244, 279030), (7860, 257162), (8520, 237241), (9055, 223224), (9301, 217320), (10866, 186020), (14488, 139515), (15720, 128581), (18110, 111612), (18602, 108660), (21732, 93010), (27165, 74408), (27903, 72440), (36220, 55806), (37204, 54330), (43464, 46505)]