136380160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 386168832

約数和(自身を除く): 249788672

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, 256, 280, 310, 320, 434, 448, 491, 496, 560, 620, 640, 868, 896, 982, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1964, 1984, 2170, 2240, 2455, 2480, 3437, 3472, 3928, 3968, 4340, 4480, 4910, 4960, 6874, 6944, 7856, 7936, 8680, 8960, 9820, 9920, 13748, 13888, 15221, 15712, 17185, 17360, 19640, 19840, 27496, 27776, 30442, 31424, 34370, 34720, 39280, 39680, 54992, 55552, 60884, 62848, 68740, 69440, 76105, 78560, 106547, 109984, 121768, 125696, 137480, 138880, 152210, 157120, 213094, 219968, 243536, 274960, 277760, 304420, 314240, 426188, 439936, 487072, 532735, 549920, 608840, 628480, 852376, 879872, 974144, 1065470, 1099840, 1217680, 1704752, 1948288, 2130940, 2199680, 2435360, 3409504, 3896576, 4261880, 4399360, 4870720, 6819008, 8523760, 9741440, 13638016, 17047520, 19482880, 27276032, 34095040, 68190080, 136380160]

約数ペア:

[(1, 136380160), (2, 68190080), (4, 34095040), (5, 27276032), (7, 19482880), (8, 17047520), (10, 13638016), (14, 9741440), (16, 8523760), (20, 6819008), (28, 4870720), (31, 4399360), (32, 4261880), (35, 3896576), (40, 3409504), (56, 2435360), (62, 2199680), (64, 2130940), (70, 1948288), (80, 1704752), (112, 1217680), (124, 1099840), (128, 1065470), (140, 974144), (155, 879872), (160, 852376), (217, 628480), (224, 608840), (248, 549920), (256, 532735), (280, 487072), (310, 439936), (320, 426188), (434, 314240), (448, 304420), (491, 277760), (496, 274960), (560, 243536), (620, 219968), (640, 213094), (868, 157120), (896, 152210), (982, 138880), (992, 137480), (1085, 125696), (1120, 121768), (1240, 109984), (1280, 106547), (1736, 78560), (1792, 76105), (1964, 69440), (1984, 68740), (2170, 62848), (2240, 60884), (2455, 55552), (2480, 54992), (3437, 39680), (3472, 39280), (3928, 34720), (3968, 34370), (4340, 31424), (4480, 30442), (4910, 27776), (4960, 27496), (6874, 19840), (6944, 19640), (7856, 17360), (7936, 17185), (8680, 15712), (8960, 15221), (9820, 13888), (9920, 13748)]