201512320

素因数分解:

$2^7\times 5^1\times {\mathrm{461}}^1\times {\mathrm{683}}^1$

素因数の和:1163

約数の個数: 64

約数和(自身を含む): 483492240

約数和(自身を除く): 281979920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 461, 640, 683, 922, 1366, 1844, 2305, 2732, 3415, 3688, 4610, 5464, 6830, 7376, 9220, 10928, 13660, 14752, 18440, 21856, 27320, 29504, 36880, 43712, 54640, 59008, 73760, 87424, 109280, 147520, 218560, 295040, 314863, 437120, 629726, 1259452, 1574315, 2518904, 3148630, 5037808, 6297260, 10075616, 12594520, 20151232, 25189040, 40302464, 50378080, 100756160, 201512320]

約数ペア:

[(1, 201512320), (2, 100756160), (4, 50378080), (5, 40302464), (8, 25189040), (10, 20151232), (16, 12594520), (20, 10075616), (32, 6297260), (40, 5037808), (64, 3148630), (80, 2518904), (128, 1574315), (160, 1259452), (320, 629726), (461, 437120), (640, 314863), (683, 295040), (922, 218560), (1366, 147520), (1844, 109280), (2305, 87424), (2732, 73760), (3415, 59008), (3688, 54640), (4610, 43712), (5464, 36880), (6830, 29504), (7376, 27320), (9220, 21856), (10928, 18440), (13660, 14752)]