402097560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{5179}}^1$

素因数の和:5840

約数の個数: 64

約数和(自身を含む): 1208390400

約数和(自身を除く): 806292840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 1294, 1941, 2588, 3235, 3882, 5176, 5179, 6470, 7764, 9705, 10358, 12940, 15528, 15537, 19410, 20716, 25880, 25895, 31074, 38820, 41432, 51790, 62148, 77640, 77685, 103580, 124296, 155370, 207160, 310740, 621480, 3350813, 6701626, 10052439, 13403252, 16754065, 20104878, 26806504, 33508130, 40209756, 50262195, 67016260, 80419512, 100524390, 134032520, 201048780, 402097560]

約数ペア:

[(1, 402097560), (2, 201048780), (3, 134032520), (4, 100524390), (5, 80419512), (6, 67016260), (8, 50262195), (10, 40209756), (12, 33508130), (15, 26806504), (20, 20104878), (24, 16754065), (30, 13403252), (40, 10052439), (60, 6701626), (120, 3350813), (647, 621480), (1294, 310740), (1941, 207160), (2588, 155370), (3235, 124296), (3882, 103580), (5176, 77685), (5179, 77640), (6470, 62148), (7764, 51790), (9705, 41432), (10358, 38820), (12940, 31074), (15528, 25895), (15537, 25880), (19410, 20716)]