272760320

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:552

約数の個数: 160

約数和(自身を含む): 773093376

約数和(自身を除く): 500333056

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, 512, 560, 620, 640, 868, 896, 982, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1964, 1984, 2170, 2240, 2455, 2480, 2560, 3437, 3472, 3584, 3928, 3968, 4340, 4480, 4910, 4960, 6874, 6944, 7856, 7936, 8680, 8960, 9820, 9920, 13748, 13888, 15221, 15712, 15872, 17185, 17360, 17920, 19640, 19840, 27496, 27776, 30442, 31424, 34370, 34720, 39280, 39680, 54992, 55552, 60884, 62848, 68740, 69440, 76105, 78560, 79360, 106547, 109984, 111104, 121768, 125696, 137480, 138880, 152210, 157120, 213094, 219968, 243536, 251392, 274960, 277760, 304420, 314240, 426188, 439936, 487072, 532735, 549920, 555520, 608840, 628480, 852376, 879872, 974144, 1065470, 1099840, 1217680, 1256960, 1704752, 1759744, 1948288, 2130940, 2199680, 2435360, 3409504, 3896576, 4261880, 4399360, 4870720, 6819008, 7793152, 8523760, 8798720, 9741440, 13638016, 17047520, 19482880, 27276032, 34095040, 38965760, 54552064, 68190080, 136380160, 272760320]

約数ペア:

[(1, 272760320), (2, 136380160), (4, 68190080), (5, 54552064), (7, 38965760), (8, 34095040), (10, 27276032), (14, 19482880), (16, 17047520), (20, 13638016), (28, 9741440), (31, 8798720), (32, 8523760), (35, 7793152), (40, 6819008), (56, 4870720), (62, 4399360), (64, 4261880), (70, 3896576), (80, 3409504), (112, 2435360), (124, 2199680), (128, 2130940), (140, 1948288), (155, 1759744), (160, 1704752), (217, 1256960), (224, 1217680), (248, 1099840), (256, 1065470), (280, 974144), (310, 879872), (320, 852376), (434, 628480), (448, 608840), (491, 555520), (496, 549920), (512, 532735), (560, 487072), (620, 439936), (640, 426188), (868, 314240), (896, 304420), (982, 277760), (992, 274960), (1085, 251392), (1120, 243536), (1240, 219968), (1280, 213094), (1736, 157120), (1792, 152210), (1964, 138880), (1984, 137480), (2170, 125696), (2240, 121768), (2455, 111104), (2480, 109984), (2560, 106547), (3437, 79360), (3472, 78560), (3584, 76105), (3928, 69440), (3968, 68740), (4340, 62848), (4480, 60884), (4910, 55552), (4960, 54992), (6874, 39680), (6944, 39280), (7856, 34720), (7936, 34370), (8680, 31424), (8960, 30442), (9820, 27776), (9920, 27496), (13748, 19840), (13888, 19640), (15221, 17920), (15712, 17360), (15872, 17185)]