1312920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{521}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 4885920

約数和(自身を除く): 3573000

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, 521, 630, 840, 1042, 1260, 1563, 2084, 2520, 2605, 3126, 3647, 4168, 4689, 5210, 6252, 7294, 7815, 9378, 10420, 10941, 12504, 14588, 15630, 18235, 18756, 20840, 21882, 23445, 29176, 31260, 32823, 36470, 37512, 43764, 46890, 54705, 62520, 65646, 72940, 87528, 93780, 109410, 131292, 145880, 164115, 187560, 218820, 262584, 328230, 437640, 656460, 1312920]

約数ペア:

[(1, 1312920), (2, 656460), (3, 437640), (4, 328230), (5, 262584), (6, 218820), (7, 187560), (8, 164115), (9, 145880), (10, 131292), (12, 109410), (14, 93780), (15, 87528), (18, 72940), (20, 65646), (21, 62520), (24, 54705), (28, 46890), (30, 43764), (35, 37512), (36, 36470), (40, 32823), (42, 31260), (45, 29176), (56, 23445), (60, 21882), (63, 20840), (70, 18756), (72, 18235), (84, 15630), (90, 14588), (105, 12504), (120, 10941), (126, 10420), (140, 9378), (168, 7815), (180, 7294), (210, 6252), (252, 5210), (280, 4689), (315, 4168), (360, 3647), (420, 3126), (504, 2605), (521, 2520), (630, 2084), (840, 1563), (1042, 1260)]