81207840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{24169}}^1$

素因数の和:24194

約数の個数: 96

約数和(自身を含む): 292360320

約数和(自身を除く): 211152480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 24169, 48338, 72507, 96676, 120845, 145014, 169183, 193352, 241690, 290028, 338366, 362535, 386704, 483380, 507549, 580056, 676732, 725070, 773408, 845915, 966760, 1015098, 1160112, 1353464, 1450140, 1691830, 1933520, 2030196, 2320224, 2537745, 2706928, 2900280, 3383660, 3867040, 4060392, 5075490, 5413856, 5800560, 6767320, 8120784, 10150980, 11601120, 13534640, 16241568, 20301960, 27069280, 40603920, 81207840]

約数ペア:

[(1, 81207840), (2, 40603920), (3, 27069280), (4, 20301960), (5, 16241568), (6, 13534640), (7, 11601120), (8, 10150980), (10, 8120784), (12, 6767320), (14, 5800560), (15, 5413856), (16, 5075490), (20, 4060392), (21, 3867040), (24, 3383660), (28, 2900280), (30, 2706928), (32, 2537745), (35, 2320224), (40, 2030196), (42, 1933520), (48, 1691830), (56, 1450140), (60, 1353464), (70, 1160112), (80, 1015098), (84, 966760), (96, 845915), (105, 773408), (112, 725070), (120, 676732), (140, 580056), (160, 507549), (168, 483380), (210, 386704), (224, 362535), (240, 338366), (280, 290028), (336, 241690), (420, 193352), (480, 169183), (560, 145014), (672, 120845), (840, 96676), (1120, 72507), (1680, 48338), (3360, 24169)]