31211160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1307}}^1$

素因数の和:1520

約数の個数: 64

約数和(自身を含む): 94176000

約数和(自身を除く): 62964840

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, 1307, 1592, 1990, 2388, 2614, 2985, 3921, 3980, 4776, 5228, 5970, 6535, 7842, 7960, 10456, 11940, 13070, 15684, 19605, 23880, 26140, 31368, 39210, 52280, 78420, 156840, 260093, 520186, 780279, 1040372, 1300465, 1560558, 2080744, 2600930, 3121116, 3901395, 5201860, 6242232, 7802790, 10403720, 15605580, 31211160]

約数ペア:

[(1, 31211160), (2, 15605580), (3, 10403720), (4, 7802790), (5, 6242232), (6, 5201860), (8, 3901395), (10, 3121116), (12, 2600930), (15, 2080744), (20, 1560558), (24, 1300465), (30, 1040372), (40, 780279), (60, 520186), (120, 260093), (199, 156840), (398, 78420), (597, 52280), (796, 39210), (995, 31368), (1194, 26140), (1307, 23880), (1592, 19605), (1990, 15684), (2388, 13070), (2614, 11940), (2985, 10456), (3921, 7960), (3980, 7842), (4776, 6535), (5228, 5970)]