28000890

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:215

約数の個数: 112

約数和(自身を含む): 79325568

約数和(自身を除く): 51324678

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 162, 167, 207, 230, 243, 270, 334, 345, 405, 414, 486, 501, 621, 690, 729, 810, 835, 1002, 1035, 1215, 1242, 1458, 1503, 1670, 1863, 2070, 2430, 2505, 3006, 3105, 3645, 3726, 3841, 4509, 5010, 5589, 6210, 7290, 7515, 7682, 9018, 9315, 11178, 11523, 13527, 15030, 16767, 18630, 19205, 22545, 23046, 27054, 27945, 33534, 34569, 38410, 40581, 45090, 55890, 57615, 67635, 69138, 81162, 83835, 103707, 115230, 121743, 135270, 167670, 172845, 202905, 207414, 243486, 311121, 345690, 405810, 518535, 608715, 622242, 933363, 1037070, 1217430, 1555605, 1866726, 2800089, 3111210, 4666815, 5600178, 9333630, 14000445, 28000890]

約数ペア:

[(1, 28000890), (2, 14000445), (3, 9333630), (5, 5600178), (6, 4666815), (9, 3111210), (10, 2800089), (15, 1866726), (18, 1555605), (23, 1217430), (27, 1037070), (30, 933363), (45, 622242), (46, 608715), (54, 518535), (69, 405810), (81, 345690), (90, 311121), (115, 243486), (135, 207414), (138, 202905), (162, 172845), (167, 167670), (207, 135270), (230, 121743), (243, 115230), (270, 103707), (334, 83835), (345, 81162), (405, 69138), (414, 67635), (486, 57615), (501, 55890), (621, 45090), (690, 40581), (729, 38410), (810, 34569), (835, 33534), (1002, 27945), (1035, 27054), (1215, 23046), (1242, 22545), (1458, 19205), (1503, 18630), (1670, 16767), (1863, 15030), (2070, 13527), (2430, 11523), (2505, 11178), (3006, 9315), (3105, 9018), (3645, 7682), (3726, 7515), (3841, 7290), (4509, 6210), (5010, 5589)]