65217880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:114

約数の個数: 256

約数和(自身を含む): 203212800

約数和(自身を除く): 137994920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 23, 26, 28, 35, 38, 40, 41, 46, 52, 56, 65, 70, 76, 82, 91, 92, 95, 104, 115, 130, 133, 140, 152, 161, 164, 182, 184, 190, 205, 230, 247, 260, 266, 280, 287, 299, 322, 328, 364, 380, 410, 437, 455, 460, 494, 520, 532, 533, 574, 598, 644, 665, 728, 760, 779, 805, 820, 874, 910, 920, 943, 988, 1064, 1066, 1148, 1196, 1235, 1288, 1330, 1435, 1495, 1558, 1610, 1640, 1729, 1748, 1820, 1886, 1976, 2093, 2132, 2185, 2296, 2392, 2470, 2660, 2665, 2870, 2990, 3059, 3116, 3220, 3458, 3496, 3640, 3731, 3772, 3895, 4186, 4264, 4370, 4715, 4940, 5320, 5330, 5453, 5681, 5740, 5980, 6118, 6232, 6440, 6601, 6916, 7462, 7544, 7790, 8372, 8645, 8740, 9430, 9880, 10127, 10465, 10660, 10906, 11362, 11480, 11960, 12236, 12259, 13202, 13832, 14924, 15295, 15580, 16744, 17290, 17480, 17917, 18655, 18860, 20254, 20930, 21320, 21812, 22724, 24472, 24518, 26404, 27265, 28405, 29848, 30590, 31160, 33005, 34580, 35834, 37310, 37720, 39767, 40508, 41860, 43624, 45448, 49036, 50635, 52808, 54530, 56810, 61180, 61295, 66010, 69160, 70889, 71668, 74620, 79534, 81016, 83720, 85813, 89585, 98072, 101270, 109060, 113620, 122360, 122590, 125419, 132020, 141778, 143336, 149240, 159068, 171626, 179170, 198835, 202540, 218120, 227240, 232921, 245180, 250838, 264040, 283556, 318136, 343252, 354445, 358340, 397670, 405080, 429065, 465842, 490360, 501676, 567112, 627095, 686504, 708890, 716680, 795340, 858130, 931684, 1003352, 1164605, 1254190, 1417780, 1590680, 1630447, 1716260, 1863368, 2329210, 2508380, 2835560, 3260894, 3432520, 4658420, 5016760, 6521788, 8152235, 9316840, 13043576, 16304470, 32608940, 65217880]

約数ペア:

[(1, 65217880), (2, 32608940), (4, 16304470), (5, 13043576), (7, 9316840), (8, 8152235), (10, 6521788), (13, 5016760), (14, 4658420), (19, 3432520), (20, 3260894), (23, 2835560), (26, 2508380), (28, 2329210), (35, 1863368), (38, 1716260), (40, 1630447), (41, 1590680), (46, 1417780), (52, 1254190), (56, 1164605), (65, 1003352), (70, 931684), (76, 858130), (82, 795340), (91, 716680), (92, 708890), (95, 686504), (104, 627095), (115, 567112), (130, 501676), (133, 490360), (140, 465842), (152, 429065), (161, 405080), (164, 397670), (182, 358340), (184, 354445), (190, 343252), (205, 318136), (230, 283556), (247, 264040), (260, 250838), (266, 245180), (280, 232921), (287, 227240), (299, 218120), (322, 202540), (328, 198835), (364, 179170), (380, 171626), (410, 159068), (437, 149240), (455, 143336), (460, 141778), (494, 132020), (520, 125419), (532, 122590), (533, 122360), (574, 113620), (598, 109060), (644, 101270), (665, 98072), (728, 89585), (760, 85813), (779, 83720), (805, 81016), (820, 79534), (874, 74620), (910, 71668), (920, 70889), (943, 69160), (988, 66010), (1064, 61295), (1066, 61180), (1148, 56810), (1196, 54530), (1235, 52808), (1288, 50635), (1330, 49036), (1435, 45448), (1495, 43624), (1558, 41860), (1610, 40508), (1640, 39767), (1729, 37720), (1748, 37310), (1820, 35834), (1886, 34580), (1976, 33005), (2093, 31160), (2132, 30590), (2185, 29848), (2296, 28405), (2392, 27265), (2470, 26404), (2660, 24518), (2665, 24472), (2870, 22724), (2990, 21812), (3059, 21320), (3116, 20930), (3220, 20254), (3458, 18860), (3496, 18655), (3640, 17917), (3731, 17480), (3772, 17290), (3895, 16744), (4186, 15580), (4264, 15295), (4370, 14924), (4715, 13832), (4940, 13202), (5320, 12259), (5330, 12236), (5453, 11960), (5681, 11480), (5740, 11362), (5980, 10906), (6118, 10660), (6232, 10465), (6440, 10127), (6601, 9880), (6916, 9430), (7462, 8740), (7544, 8645), (7790, 8372)]