2440380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 6924960

約数和(自身を除く): 4484580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 457, 534, 890, 914, 1068, 1335, 1371, 1780, 1828, 2285, 2670, 2742, 4570, 5340, 5484, 6855, 9140, 13710, 27420, 40673, 81346, 122019, 162692, 203365, 244038, 406730, 488076, 610095, 813460, 1220190, 2440380]

約数ペア:

[(1, 2440380), (2, 1220190), (3, 813460), (4, 610095), (5, 488076), (6, 406730), (10, 244038), (12, 203365), (15, 162692), (20, 122019), (30, 81346), (60, 40673), (89, 27420), (178, 13710), (267, 9140), (356, 6855), (445, 5484), (457, 5340), (534, 4570), (890, 2742), (914, 2670), (1068, 2285), (1335, 1828), (1371, 1780)]