90987780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{743}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 276482304

約数和(自身を除く): 185494524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 157, 195, 260, 314, 390, 471, 628, 743, 780, 785, 942, 1486, 1570, 1884, 2041, 2229, 2355, 2972, 3140, 3715, 4082, 4458, 4710, 6123, 7430, 8164, 8916, 9420, 9659, 10205, 11145, 12246, 14860, 19318, 20410, 22290, 24492, 28977, 30615, 38636, 40820, 44580, 48295, 57954, 61230, 96590, 115908, 116651, 122460, 144885, 193180, 233302, 289770, 349953, 466604, 579540, 583255, 699906, 1166510, 1399812, 1516463, 1749765, 2333020, 3032926, 3499530, 4549389, 6065852, 6999060, 7582315, 9098778, 15164630, 18197556, 22746945, 30329260, 45493890, 90987780]

約数ペア:

[(1, 90987780), (2, 45493890), (3, 30329260), (4, 22746945), (5, 18197556), (6, 15164630), (10, 9098778), (12, 7582315), (13, 6999060), (15, 6065852), (20, 4549389), (26, 3499530), (30, 3032926), (39, 2333020), (52, 1749765), (60, 1516463), (65, 1399812), (78, 1166510), (130, 699906), (156, 583255), (157, 579540), (195, 466604), (260, 349953), (314, 289770), (390, 233302), (471, 193180), (628, 144885), (743, 122460), (780, 116651), (785, 115908), (942, 96590), (1486, 61230), (1570, 57954), (1884, 48295), (2041, 44580), (2229, 40820), (2355, 38636), (2972, 30615), (3140, 28977), (3715, 24492), (4082, 22290), (4458, 20410), (4710, 19318), (6123, 14860), (7430, 12246), (8164, 11145), (8916, 10205), (9420, 9659)]