51205920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1122

約数の個数: 96

約数和(自身を含む): 162969408

約数和(自身を除く): 111763488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 107, 120, 160, 214, 240, 321, 428, 480, 535, 642, 856, 997, 1070, 1284, 1605, 1712, 1994, 2140, 2568, 2991, 3210, 3424, 3988, 4280, 4985, 5136, 5982, 6420, 7976, 8560, 9970, 10272, 11964, 12840, 14955, 15952, 17120, 19940, 23928, 25680, 29910, 31904, 39880, 47856, 51360, 59820, 79760, 95712, 106679, 119640, 159520, 213358, 239280, 320037, 426716, 478560, 533395, 640074, 853432, 1066790, 1280148, 1600185, 1706864, 2133580, 2560296, 3200370, 3413728, 4267160, 5120592, 6400740, 8534320, 10241184, 12801480, 17068640, 25602960, 51205920]

約数ペア:

[(1, 51205920), (2, 25602960), (3, 17068640), (4, 12801480), (5, 10241184), (6, 8534320), (8, 6400740), (10, 5120592), (12, 4267160), (15, 3413728), (16, 3200370), (20, 2560296), (24, 2133580), (30, 1706864), (32, 1600185), (40, 1280148), (48, 1066790), (60, 853432), (80, 640074), (96, 533395), (107, 478560), (120, 426716), (160, 320037), (214, 239280), (240, 213358), (321, 159520), (428, 119640), (480, 106679), (535, 95712), (642, 79760), (856, 59820), (997, 51360), (1070, 47856), (1284, 39880), (1605, 31904), (1712, 29910), (1994, 25680), (2140, 23928), (2568, 19940), (2991, 17120), (3210, 15952), (3424, 14955), (3988, 12840), (4280, 11964), (4985, 10272), (5136, 9970), (5982, 8560), (6420, 7976)]