28687290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 71632512

約数和(自身を除く): 42945222

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 83, 123, 166, 205, 246, 249, 281, 410, 415, 498, 562, 615, 830, 843, 1230, 1245, 1405, 1686, 2490, 2810, 3403, 4215, 6806, 8430, 10209, 11521, 17015, 20418, 23042, 23323, 34030, 34563, 46646, 51045, 57605, 69126, 69969, 102090, 115210, 116615, 139938, 172815, 233230, 345630, 349845, 699690, 956243, 1912486, 2868729, 4781215, 5737458, 9562430, 14343645, 28687290]

約数ペア:

[(1, 28687290), (2, 14343645), (3, 9562430), (5, 5737458), (6, 4781215), (10, 2868729), (15, 1912486), (30, 956243), (41, 699690), (82, 349845), (83, 345630), (123, 233230), (166, 172815), (205, 139938), (246, 116615), (249, 115210), (281, 102090), (410, 69969), (415, 69126), (498, 57605), (562, 51045), (615, 46646), (830, 34563), (843, 34030), (1230, 23323), (1245, 23042), (1405, 20418), (1686, 17015), (2490, 11521), (2810, 10209), (3403, 8430), (4215, 6806)]