68190080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:548

約数の個数: 128

約数和(自身を含む): 192706560

約数和(自身を除く): 124516480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 491, 496, 560, 620, 640, 868, 896, 982, 992, 1085, 1120, 1240, 1736, 1964, 1984, 2170, 2240, 2455, 2480, 3437, 3472, 3928, 3968, 4340, 4480, 4910, 4960, 6874, 6944, 7856, 8680, 9820, 9920, 13748, 13888, 15221, 15712, 17185, 17360, 19640, 19840, 27496, 27776, 30442, 31424, 34370, 34720, 39280, 54992, 60884, 62848, 68740, 69440, 76105, 78560, 106547, 109984, 121768, 137480, 138880, 152210, 157120, 213094, 219968, 243536, 274960, 304420, 314240, 426188, 439936, 487072, 532735, 549920, 608840, 852376, 974144, 1065470, 1099840, 1217680, 1704752, 1948288, 2130940, 2199680, 2435360, 3409504, 4261880, 4870720, 6819008, 8523760, 9741440, 13638016, 17047520, 34095040, 68190080]

約数ペア:

[(1, 68190080), (2, 34095040), (4, 17047520), (5, 13638016), (7, 9741440), (8, 8523760), (10, 6819008), (14, 4870720), (16, 4261880), (20, 3409504), (28, 2435360), (31, 2199680), (32, 2130940), (35, 1948288), (40, 1704752), (56, 1217680), (62, 1099840), (64, 1065470), (70, 974144), (80, 852376), (112, 608840), (124, 549920), (128, 532735), (140, 487072), (155, 439936), (160, 426188), (217, 314240), (224, 304420), (248, 274960), (280, 243536), (310, 219968), (320, 213094), (434, 157120), (448, 152210), (491, 138880), (496, 137480), (560, 121768), (620, 109984), (640, 106547), (868, 78560), (896, 76105), (982, 69440), (992, 68740), (1085, 62848), (1120, 60884), (1240, 54992), (1736, 39280), (1964, 34720), (1984, 34370), (2170, 31424), (2240, 30442), (2455, 27776), (2480, 27496), (3437, 19840), (3472, 19640), (3928, 17360), (3968, 17185), (4340, 15712), (4480, 15221), (4910, 13888), (4960, 13748), (6874, 9920), (6944, 9820), (7856, 8680)]