205340520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:416

約数の個数: 256

約数和(自身を含む): 781332480

約数和(自身を除く): 575991960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 71, 77, 84, 88, 105, 110, 120, 132, 140, 142, 154, 165, 168, 210, 213, 220, 231, 264, 280, 284, 308, 313, 330, 355, 385, 420, 426, 440, 462, 497, 568, 616, 626, 660, 710, 770, 781, 840, 852, 924, 939, 994, 1065, 1155, 1252, 1320, 1420, 1491, 1540, 1562, 1565, 1704, 1848, 1878, 1988, 2130, 2191, 2310, 2343, 2485, 2504, 2840, 2982, 3080, 3124, 3130, 3443, 3756, 3905, 3976, 4260, 4382, 4620, 4686, 4695, 4970, 5467, 5964, 6248, 6260, 6573, 6886, 7455, 7512, 7810, 8520, 8764, 9240, 9372, 9390, 9940, 10329, 10934, 10955, 11715, 11928, 12520, 13146, 13772, 14910, 15620, 16401, 17215, 17528, 18744, 18780, 19880, 20658, 21868, 21910, 22223, 23430, 24101, 26292, 27335, 27544, 29820, 31240, 32802, 32865, 34430, 37560, 41316, 43736, 43820, 44446, 46860, 48202, 51645, 52584, 54670, 59640, 65604, 65730, 66669, 68860, 72303, 82005, 82632, 87640, 88892, 93720, 96404, 103290, 109340, 111115, 120505, 131208, 131460, 133338, 137720, 144606, 155561, 164010, 177784, 192808, 206580, 218680, 222230, 241010, 244453, 262920, 266676, 289212, 311122, 328020, 333345, 361515, 413160, 444460, 466683, 482020, 488906, 533352, 578424, 622244, 656040, 666690, 723030, 733359, 777805, 888920, 933366, 964040, 977812, 1222265, 1244488, 1333380, 1446060, 1466718, 1555610, 1711171, 1866732, 1955624, 2333415, 2444530, 2666760, 2892120, 2933436, 3111220, 3422342, 3666795, 3733464, 4666830, 4889060, 5133513, 5866872, 6222440, 6844684, 7333590, 8555855, 9333660, 9778120, 10267026, 13689368, 14667180, 17111710, 18667320, 20534052, 25667565, 29334360, 34223420, 41068104, 51335130, 68446840, 102670260, 205340520]

約数ペア:

[(1, 205340520), (2, 102670260), (3, 68446840), (4, 51335130), (5, 41068104), (6, 34223420), (7, 29334360), (8, 25667565), (10, 20534052), (11, 18667320), (12, 17111710), (14, 14667180), (15, 13689368), (20, 10267026), (21, 9778120), (22, 9333660), (24, 8555855), (28, 7333590), (30, 6844684), (33, 6222440), (35, 5866872), (40, 5133513), (42, 4889060), (44, 4666830), (55, 3733464), (56, 3666795), (60, 3422342), (66, 3111220), (70, 2933436), (71, 2892120), (77, 2666760), (84, 2444530), (88, 2333415), (105, 1955624), (110, 1866732), (120, 1711171), (132, 1555610), (140, 1466718), (142, 1446060), (154, 1333380), (165, 1244488), (168, 1222265), (210, 977812), (213, 964040), (220, 933366), (231, 888920), (264, 777805), (280, 733359), (284, 723030), (308, 666690), (313, 656040), (330, 622244), (355, 578424), (385, 533352), (420, 488906), (426, 482020), (440, 466683), (462, 444460), (497, 413160), (568, 361515), (616, 333345), (626, 328020), (660, 311122), (710, 289212), (770, 266676), (781, 262920), (840, 244453), (852, 241010), (924, 222230), (939, 218680), (994, 206580), (1065, 192808), (1155, 177784), (1252, 164010), (1320, 155561), (1420, 144606), (1491, 137720), (1540, 133338), (1562, 131460), (1565, 131208), (1704, 120505), (1848, 111115), (1878, 109340), (1988, 103290), (2130, 96404), (2191, 93720), (2310, 88892), (2343, 87640), (2485, 82632), (2504, 82005), (2840, 72303), (2982, 68860), (3080, 66669), (3124, 65730), (3130, 65604), (3443, 59640), (3756, 54670), (3905, 52584), (3976, 51645), (4260, 48202), (4382, 46860), (4620, 44446), (4686, 43820), (4695, 43736), (4970, 41316), (5467, 37560), (5964, 34430), (6248, 32865), (6260, 32802), (6573, 31240), (6886, 29820), (7455, 27544), (7512, 27335), (7810, 26292), (8520, 24101), (8764, 23430), (9240, 22223), (9372, 21910), (9390, 21868), (9940, 20658), (10329, 19880), (10934, 18780), (10955, 18744), (11715, 17528), (11928, 17215), (12520, 16401), (13146, 15620), (13772, 14910)]