1921285560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{225503}}^1$

素因数の和:225588

約数の個数: 64

約数和(自身を含む): 5845063680

約数和(自身を除く): 3923778120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 225503, 451006, 676509, 902012, 1127515, 1353018, 1804024, 2255030, 2706036, 3382545, 4510060, 5412072, 6765090, 9020120, 13530180, 16010713, 27060360, 32021426, 48032139, 64042852, 80053565, 96064278, 128085704, 160107130, 192128556, 240160695, 320214260, 384257112, 480321390, 640428520, 960642780, 1921285560]

約数ペア:

[(1, 1921285560), (2, 960642780), (3, 640428520), (4, 480321390), (5, 384257112), (6, 320214260), (8, 240160695), (10, 192128556), (12, 160107130), (15, 128085704), (20, 96064278), (24, 80053565), (30, 64042852), (40, 48032139), (60, 32021426), (71, 27060360), (120, 16010713), (142, 13530180), (213, 9020120), (284, 6765090), (355, 5412072), (426, 4510060), (568, 3382545), (710, 2706036), (852, 2255030), (1065, 1804024), (1420, 1353018), (1704, 1127515), (2130, 902012), (2840, 676509), (4260, 451006), (8520, 225503)]