128625320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{373}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 299304720

約数和(自身を除く): 170679400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 233, 296, 370, 373, 466, 740, 746, 932, 1165, 1480, 1492, 1864, 1865, 2330, 2984, 3730, 4660, 7460, 8621, 9320, 13801, 14920, 17242, 27602, 34484, 43105, 55204, 68968, 69005, 86210, 86909, 110408, 138010, 172420, 173818, 276020, 344840, 347636, 434545, 552040, 695272, 869090, 1738180, 3215633, 3476360, 6431266, 12862532, 16078165, 25725064, 32156330, 64312660, 128625320]

約数ペア:

[(1, 128625320), (2, 64312660), (4, 32156330), (5, 25725064), (8, 16078165), (10, 12862532), (20, 6431266), (37, 3476360), (40, 3215633), (74, 1738180), (148, 869090), (185, 695272), (233, 552040), (296, 434545), (370, 347636), (373, 344840), (466, 276020), (740, 173818), (746, 172420), (932, 138010), (1165, 110408), (1480, 86909), (1492, 86210), (1864, 69005), (1865, 68968), (2330, 55204), (2984, 43105), (3730, 34484), (4660, 27602), (7460, 17242), (8621, 14920), (9320, 13801)]