320714820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29209}}^1$

素因数の和:29285

約数の個数: 72

約数和(自身を含む): 988816920

約数和(自身を除く): 668102100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 29209, 58418, 87627, 116836, 146045, 175254, 262881, 292090, 350508, 438135, 525762, 584180, 876270, 1051524, 1314405, 1752540, 1781749, 2628810, 3563498, 5257620, 5345247, 7126996, 8908745, 10690494, 16035741, 17817490, 21380988, 26726235, 32071482, 35634980, 53452470, 64142964, 80178705, 106904940, 160357410, 320714820]

約数ペア:

[(1, 320714820), (2, 160357410), (3, 106904940), (4, 80178705), (5, 64142964), (6, 53452470), (9, 35634980), (10, 32071482), (12, 26726235), (15, 21380988), (18, 17817490), (20, 16035741), (30, 10690494), (36, 8908745), (45, 7126996), (60, 5345247), (61, 5257620), (90, 3563498), (122, 2628810), (180, 1781749), (183, 1752540), (244, 1314405), (305, 1051524), (366, 876270), (549, 584180), (610, 525762), (732, 438135), (915, 350508), (1098, 292090), (1220, 262881), (1830, 175254), (2196, 146045), (2745, 116836), (3660, 87627), (5490, 58418), (10980, 29209)]