81907560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32503}}^1$

素因数の和:32527

約数の個数: 96

約数和(自身を含む): 304237440

約数和(自身を除く): 222329880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32503, 65006, 97509, 130012, 162515, 195018, 227521, 260024, 292527, 325030, 390036, 455042, 487545, 585054, 650060, 682563, 780072, 910084, 975090, 1137605, 1170108, 1300120, 1365126, 1462635, 1820168, 1950180, 2047689, 2275210, 2340216, 2730252, 2925270, 3412815, 3900360, 4095378, 4550420, 5460504, 5850540, 6825630, 8190756, 9100840, 10238445, 11701080, 13651260, 16381512, 20476890, 27302520, 40953780, 81907560]

約数ペア:

[(1, 81907560), (2, 40953780), (3, 27302520), (4, 20476890), (5, 16381512), (6, 13651260), (7, 11701080), (8, 10238445), (9, 9100840), (10, 8190756), (12, 6825630), (14, 5850540), (15, 5460504), (18, 4550420), (20, 4095378), (21, 3900360), (24, 3412815), (28, 2925270), (30, 2730252), (35, 2340216), (36, 2275210), (40, 2047689), (42, 1950180), (45, 1820168), (56, 1462635), (60, 1365126), (63, 1300120), (70, 1170108), (72, 1137605), (84, 975090), (90, 910084), (105, 780072), (120, 682563), (126, 650060), (140, 585054), (168, 487545), (180, 455042), (210, 390036), (252, 325030), (280, 292527), (315, 260024), (360, 227521), (420, 195018), (504, 162515), (630, 130012), (840, 97509), (1260, 65006), (2520, 32503)]