25554120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3491}}^1$

素因数の和:3566

約数の個数: 64

約数和(自身を含む): 77941440

約数和(自身を除く): 52387320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3491, 3660, 6982, 7320, 10473, 13964, 17455, 20946, 27928, 34910, 41892, 52365, 69820, 83784, 104730, 139640, 209460, 212951, 418920, 425902, 638853, 851804, 1064755, 1277706, 1703608, 2129510, 2555412, 3194265, 4259020, 5110824, 6388530, 8518040, 12777060, 25554120]

約数ペア:

[(1, 25554120), (2, 12777060), (3, 8518040), (4, 6388530), (5, 5110824), (6, 4259020), (8, 3194265), (10, 2555412), (12, 2129510), (15, 1703608), (20, 1277706), (24, 1064755), (30, 851804), (40, 638853), (60, 425902), (61, 418920), (120, 212951), (122, 209460), (183, 139640), (244, 104730), (305, 83784), (366, 69820), (488, 52365), (610, 41892), (732, 34910), (915, 27928), (1220, 20946), (1464, 17455), (1830, 13964), (2440, 10473), (3491, 7320), (3660, 6982)]