1392020320

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{677}}^1$

素因数の和:944

約数の個数: 96

約数和(自身を含む): 3358345536

約数和(自身を除く): 1966325216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 181, 284, 355, 362, 568, 677, 710, 724, 905, 1136, 1354, 1420, 1448, 1810, 2272, 2708, 2840, 2896, 3385, 3620, 5416, 5680, 5792, 6770, 7240, 10832, 11360, 12851, 13540, 14480, 21664, 25702, 27080, 28960, 48067, 51404, 54160, 64255, 96134, 102808, 108320, 122537, 128510, 192268, 205616, 240335, 245074, 257020, 384536, 411232, 480670, 490148, 514040, 612685, 769072, 961340, 980296, 1028080, 1225370, 1538144, 1922680, 1960592, 2056160, 2450740, 3845360, 3921184, 4901480, 7690720, 8700127, 9802960, 17400254, 19605920, 34800508, 43500635, 69601016, 87001270, 139202032, 174002540, 278404064, 348005080, 696010160, 1392020320]

約数ペア:

[(1, 1392020320), (2, 696010160), (4, 348005080), (5, 278404064), (8, 174002540), (10, 139202032), (16, 87001270), (20, 69601016), (32, 43500635), (40, 34800508), (71, 19605920), (80, 17400254), (142, 9802960), (160, 8700127), (181, 7690720), (284, 4901480), (355, 3921184), (362, 3845360), (568, 2450740), (677, 2056160), (710, 1960592), (724, 1922680), (905, 1538144), (1136, 1225370), (1354, 1028080), (1420, 980296), (1448, 961340), (1810, 769072), (2272, 612685), (2708, 514040), (2840, 490148), (2896, 480670), (3385, 411232), (3620, 384536), (5416, 257020), (5680, 245074), (5792, 240335), (6770, 205616), (7240, 192268), (10832, 128510), (11360, 122537), (12851, 108320), (13540, 102808), (14480, 96134), (21664, 64255), (25702, 54160), (27080, 51404), (28960, 48067)]