217447440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1823}}^1$

素因数の和:1917

約数の個数: 160

約数和(自身を含む): 781664256

約数和(自身を除く): 564216816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 280, 284, 336, 355, 420, 426, 497, 560, 568, 710, 840, 852, 994, 1065, 1136, 1420, 1491, 1680, 1704, 1823, 1988, 2130, 2485, 2840, 2982, 3408, 3646, 3976, 4260, 4970, 5469, 5680, 5964, 7292, 7455, 7952, 8520, 9115, 9940, 10938, 11928, 12761, 14584, 14910, 17040, 18230, 19880, 21876, 23856, 25522, 27345, 29168, 29820, 36460, 38283, 39760, 43752, 51044, 54690, 59640, 63805, 72920, 76566, 87504, 102088, 109380, 119280, 127610, 129433, 145840, 153132, 191415, 204176, 218760, 255220, 258866, 306264, 382830, 388299, 437520, 510440, 517732, 612528, 647165, 765660, 776598, 906031, 1020880, 1035464, 1294330, 1531320, 1553196, 1812062, 1941495, 2070928, 2588660, 2718093, 3062640, 3106392, 3624124, 3882990, 4530155, 5177320, 5436186, 6212784, 7248248, 7765980, 9060310, 10354640, 10872372, 13590465, 14496496, 15531960, 18120620, 21744744, 27180930, 31063920, 36241240, 43489488, 54361860, 72482480, 108723720, 217447440]

約数ペア:

[(1, 217447440), (2, 108723720), (3, 72482480), (4, 54361860), (5, 43489488), (6, 36241240), (7, 31063920), (8, 27180930), (10, 21744744), (12, 18120620), (14, 15531960), (15, 14496496), (16, 13590465), (20, 10872372), (21, 10354640), (24, 9060310), (28, 7765980), (30, 7248248), (35, 6212784), (40, 5436186), (42, 5177320), (48, 4530155), (56, 3882990), (60, 3624124), (70, 3106392), (71, 3062640), (80, 2718093), (84, 2588660), (105, 2070928), (112, 1941495), (120, 1812062), (140, 1553196), (142, 1531320), (168, 1294330), (210, 1035464), (213, 1020880), (240, 906031), (280, 776598), (284, 765660), (336, 647165), (355, 612528), (420, 517732), (426, 510440), (497, 437520), (560, 388299), (568, 382830), (710, 306264), (840, 258866), (852, 255220), (994, 218760), (1065, 204176), (1136, 191415), (1420, 153132), (1491, 145840), (1680, 129433), (1704, 127610), (1823, 119280), (1988, 109380), (2130, 102088), (2485, 87504), (2840, 76566), (2982, 72920), (3408, 63805), (3646, 59640), (3976, 54690), (4260, 51044), (4970, 43752), (5469, 39760), (5680, 38283), (5964, 36460), (7292, 29820), (7455, 29168), (7952, 27345), (8520, 25522), (9115, 23856), (9940, 21876), (10938, 19880), (11928, 18230), (12761, 17040), (14584, 14910)]