271531520

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 160

約数和(自身を含む): 721828800

約数和(自身を除く): 450297280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 199, 205, 208, 256, 260, 320, 328, 398, 410, 416, 512, 520, 533, 640, 656, 796, 820, 832, 995, 1040, 1066, 1280, 1312, 1592, 1640, 1664, 1990, 2080, 2132, 2560, 2587, 2624, 2665, 3184, 3280, 3328, 3980, 4160, 4264, 5174, 5248, 5330, 6368, 6560, 6656, 7960, 8159, 8320, 8528, 10348, 10496, 10660, 12736, 12935, 13120, 15920, 16318, 16640, 17056, 20696, 20992, 21320, 25472, 25870, 26240, 31840, 32636, 33280, 34112, 40795, 41392, 42640, 50944, 51740, 52480, 63680, 65272, 68224, 81590, 82784, 85280, 101888, 103480, 104960, 106067, 127360, 130544, 136448, 163180, 165568, 170560, 206960, 212134, 254720, 261088, 272896, 326360, 331136, 341120, 413920, 424268, 509440, 522176, 530335, 652720, 662272, 682240, 827840, 848536, 1044352, 1060670, 1305440, 1324544, 1364480, 1655680, 1697072, 2088704, 2121340, 2610880, 3311360, 3394144, 4177408, 4242680, 5221760, 6622720, 6788288, 8485360, 10443520, 13576576, 16970720, 20887040, 27153152, 33941440, 54306304, 67882880, 135765760, 271531520]

約数ペア:

[(1, 271531520), (2, 135765760), (4, 67882880), (5, 54306304), (8, 33941440), (10, 27153152), (13, 20887040), (16, 16970720), (20, 13576576), (26, 10443520), (32, 8485360), (40, 6788288), (41, 6622720), (52, 5221760), (64, 4242680), (65, 4177408), (80, 3394144), (82, 3311360), (104, 2610880), (128, 2121340), (130, 2088704), (160, 1697072), (164, 1655680), (199, 1364480), (205, 1324544), (208, 1305440), (256, 1060670), (260, 1044352), (320, 848536), (328, 827840), (398, 682240), (410, 662272), (416, 652720), (512, 530335), (520, 522176), (533, 509440), (640, 424268), (656, 413920), (796, 341120), (820, 331136), (832, 326360), (995, 272896), (1040, 261088), (1066, 254720), (1280, 212134), (1312, 206960), (1592, 170560), (1640, 165568), (1664, 163180), (1990, 136448), (2080, 130544), (2132, 127360), (2560, 106067), (2587, 104960), (2624, 103480), (2665, 101888), (3184, 85280), (3280, 82784), (3328, 81590), (3980, 68224), (4160, 65272), (4264, 63680), (5174, 52480), (5248, 51740), (5330, 50944), (6368, 42640), (6560, 41392), (6656, 40795), (7960, 34112), (8159, 33280), (8320, 32636), (8528, 31840), (10348, 26240), (10496, 25870), (10660, 25472), (12736, 21320), (12935, 20992), (13120, 20696), (15920, 17056), (16318, 16640)]