51784680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1087}}^1$

素因数の和:1498

約数の個数: 64

約数和(自身を含む): 155888640

約数和(自身を除く): 104103960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1087, 1191, 1588, 1985, 2174, 2382, 3176, 3261, 3970, 4348, 4764, 5435, 5955, 6522, 7940, 8696, 9528, 10870, 11910, 13044, 15880, 16305, 21740, 23820, 26088, 32610, 43480, 47640, 65220, 130440, 431539, 863078, 1294617, 1726156, 2157695, 2589234, 3452312, 4315390, 5178468, 6473085, 8630780, 10356936, 12946170, 17261560, 25892340, 51784680]

約数ペア:

[(1, 51784680), (2, 25892340), (3, 17261560), (4, 12946170), (5, 10356936), (6, 8630780), (8, 6473085), (10, 5178468), (12, 4315390), (15, 3452312), (20, 2589234), (24, 2157695), (30, 1726156), (40, 1294617), (60, 863078), (120, 431539), (397, 130440), (794, 65220), (1087, 47640), (1191, 43480), (1588, 32610), (1985, 26088), (2174, 23820), (2382, 21740), (3176, 16305), (3261, 15880), (3970, 13044), (4348, 11910), (4764, 10870), (5435, 9528), (5955, 8696), (6522, 7940)]