142978380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{33563}}^1$

素因数の和:33646

約数の個数: 48

約数和(自身を含む): 405990144

約数和(自身を除く): 263011764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 33563, 67126, 100689, 134252, 167815, 201378, 335630, 402756, 503445, 671260, 1006890, 2013780, 2382973, 4765946, 7148919, 9531892, 11914865, 14297838, 23829730, 28595676, 35744595, 47659460, 71489190, 142978380]

約数ペア:

[(1, 142978380), (2, 71489190), (3, 47659460), (4, 35744595), (5, 28595676), (6, 23829730), (10, 14297838), (12, 11914865), (15, 9531892), (20, 7148919), (30, 4765946), (60, 2382973), (71, 2013780), (142, 1006890), (213, 671260), (284, 503445), (355, 402756), (426, 335630), (710, 201378), (852, 167815), (1065, 134252), (1420, 100689), (2130, 67126), (4260, 33563)]