51708160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 147168000

約数和(自身を除く): 95459840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 199, 203, 224, 232, 256, 280, 290, 320, 398, 406, 448, 464, 560, 580, 640, 796, 812, 896, 928, 995, 1015, 1120, 1160, 1280, 1393, 1592, 1624, 1792, 1856, 1990, 2030, 2240, 2320, 2786, 3184, 3248, 3712, 3980, 4060, 4480, 4640, 5572, 5771, 6368, 6496, 6965, 7424, 7960, 8120, 8960, 9280, 11144, 11542, 12736, 12992, 13930, 15920, 16240, 18560, 22288, 23084, 25472, 25984, 27860, 28855, 31840, 32480, 37120, 40397, 44576, 46168, 50944, 51968, 55720, 57710, 63680, 64960, 80794, 89152, 92336, 111440, 115420, 127360, 129920, 161588, 178304, 184672, 201985, 222880, 230840, 254720, 259840, 323176, 356608, 369344, 403970, 445760, 461680, 646352, 738688, 807940, 891520, 923360, 1292704, 1477376, 1615880, 1783040, 1846720, 2585408, 3231760, 3693440, 5170816, 6463520, 7386880, 10341632, 12927040, 25854080, 51708160]

約数ペア:

[(1, 51708160), (2, 25854080), (4, 12927040), (5, 10341632), (7, 7386880), (8, 6463520), (10, 5170816), (14, 3693440), (16, 3231760), (20, 2585408), (28, 1846720), (29, 1783040), (32, 1615880), (35, 1477376), (40, 1292704), (56, 923360), (58, 891520), (64, 807940), (70, 738688), (80, 646352), (112, 461680), (116, 445760), (128, 403970), (140, 369344), (145, 356608), (160, 323176), (199, 259840), (203, 254720), (224, 230840), (232, 222880), (256, 201985), (280, 184672), (290, 178304), (320, 161588), (398, 129920), (406, 127360), (448, 115420), (464, 111440), (560, 92336), (580, 89152), (640, 80794), (796, 64960), (812, 63680), (896, 57710), (928, 55720), (995, 51968), (1015, 50944), (1120, 46168), (1160, 44576), (1280, 40397), (1393, 37120), (1592, 32480), (1624, 31840), (1792, 28855), (1856, 27860), (1990, 25984), (2030, 25472), (2240, 23084), (2320, 22288), (2786, 18560), (3184, 16240), (3248, 15920), (3712, 13930), (3980, 12992), (4060, 12736), (4480, 11542), (4640, 11144), (5572, 9280), (5771, 8960), (6368, 8120), (6496, 7960), (6965, 7424)]