121243920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{72169}}^1$

素因数の和:72192

約数の個数: 80

約数和(自身を含む): 429555840

約数和(自身を除く): 308311920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 72169, 144338, 216507, 288676, 360845, 433014, 505183, 577352, 721690, 866028, 1010366, 1082535, 1154704, 1443380, 1515549, 1732056, 2020732, 2165070, 2525915, 2886760, 3031098, 3464112, 4041464, 4330140, 5051830, 5773520, 6062196, 7577745, 8082928, 8660280, 10103660, 12124392, 15155490, 17320560, 20207320, 24248784, 30310980, 40414640, 60621960, 121243920]

約数ペア:

[(1, 121243920), (2, 60621960), (3, 40414640), (4, 30310980), (5, 24248784), (6, 20207320), (7, 17320560), (8, 15155490), (10, 12124392), (12, 10103660), (14, 8660280), (15, 8082928), (16, 7577745), (20, 6062196), (21, 5773520), (24, 5051830), (28, 4330140), (30, 4041464), (35, 3464112), (40, 3031098), (42, 2886760), (48, 2525915), (56, 2165070), (60, 2020732), (70, 1732056), (80, 1515549), (84, 1443380), (105, 1154704), (112, 1082535), (120, 1010366), (140, 866028), (168, 721690), (210, 577352), (240, 505183), (280, 433014), (336, 360845), (420, 288676), (560, 216507), (840, 144338), (1680, 72169)]