1312080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:105

約数の個数: 160

約数和(自身を含む): 5142528

約数和(自身を除く): 3830448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 71, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 142, 154, 165, 168, 176, 210, 213, 220, 231, 240, 264, 280, 284, 308, 330, 336, 355, 385, 420, 426, 440, 462, 497, 528, 560, 568, 616, 660, 710, 770, 781, 840, 852, 880, 924, 994, 1065, 1136, 1155, 1232, 1320, 1420, 1491, 1540, 1562, 1680, 1704, 1848, 1988, 2130, 2310, 2343, 2485, 2640, 2840, 2982, 3080, 3124, 3408, 3696, 3905, 3976, 4260, 4620, 4686, 4970, 5467, 5680, 5964, 6160, 6248, 7455, 7810, 7952, 8520, 9240, 9372, 9940, 10934, 11715, 11928, 12496, 14910, 15620, 16401, 17040, 18480, 18744, 19880, 21868, 23430, 23856, 27335, 29820, 31240, 32802, 37488, 39760, 43736, 46860, 54670, 59640, 62480, 65604, 82005, 87472, 93720, 109340, 119280, 131208, 164010, 187440, 218680, 262416, 328020, 437360, 656040, 1312080]

約数ペア:

[(1, 1312080), (2, 656040), (3, 437360), (4, 328020), (5, 262416), (6, 218680), (7, 187440), (8, 164010), (10, 131208), (11, 119280), (12, 109340), (14, 93720), (15, 87472), (16, 82005), (20, 65604), (21, 62480), (22, 59640), (24, 54670), (28, 46860), (30, 43736), (33, 39760), (35, 37488), (40, 32802), (42, 31240), (44, 29820), (48, 27335), (55, 23856), (56, 23430), (60, 21868), (66, 19880), (70, 18744), (71, 18480), (77, 17040), (80, 16401), (84, 15620), (88, 14910), (105, 12496), (110, 11928), (112, 11715), (120, 10934), (132, 9940), (140, 9372), (142, 9240), (154, 8520), (165, 7952), (168, 7810), (176, 7455), (210, 6248), (213, 6160), (220, 5964), (231, 5680), (240, 5467), (264, 4970), (280, 4686), (284, 4620), (308, 4260), (330, 3976), (336, 3905), (355, 3696), (385, 3408), (420, 3124), (426, 3080), (440, 2982), (462, 2840), (497, 2640), (528, 2485), (560, 2343), (568, 2310), (616, 2130), (660, 1988), (710, 1848), (770, 1704), (781, 1680), (840, 1562), (852, 1540), (880, 1491), (924, 1420), (994, 1320), (1065, 1232), (1136, 1155)]