2100078840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{87943}}^1$

素因数の和:88156

約数の個数: 64

約数和(自身を含む): 6331968000

約数和(自身を除く): 4231889160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2985, 3980, 4776, 5970, 7960, 11940, 23880, 87943, 175886, 263829, 351772, 439715, 527658, 703544, 879430, 1055316, 1319145, 1758860, 2110632, 2638290, 3517720, 5276580, 10553160, 17500657, 35001314, 52501971, 70002628, 87503285, 105003942, 140005256, 175006570, 210007884, 262509855, 350013140, 420015768, 525019710, 700026280, 1050039420, 2100078840]

約数ペア:

[(1, 2100078840), (2, 1050039420), (3, 700026280), (4, 525019710), (5, 420015768), (6, 350013140), (8, 262509855), (10, 210007884), (12, 175006570), (15, 140005256), (20, 105003942), (24, 87503285), (30, 70002628), (40, 52501971), (60, 35001314), (120, 17500657), (199, 10553160), (398, 5276580), (597, 3517720), (796, 2638290), (995, 2110632), (1194, 1758860), (1592, 1319145), (1990, 1055316), (2388, 879430), (2985, 703544), (3980, 527658), (4776, 439715), (5970, 351772), (7960, 263829), (11940, 175886), (23880, 87943)]