1319997360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:312

約数の個数: 240

約数和(自身を含む): 4644559872

約数和(自身を除く): 3324562512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 127, 132, 155, 165, 176, 186, 220, 240, 248, 254, 264, 310, 330, 341, 372, 381, 440, 465, 496, 508, 528, 620, 635, 660, 682, 744, 762, 880, 930, 1016, 1023, 1240, 1270, 1320, 1364, 1397, 1488, 1524, 1705, 1860, 1905, 2032, 2046, 2480, 2540, 2640, 2728, 2794, 3048, 3410, 3720, 3810, 3937, 4092, 4191, 5080, 5115, 5456, 5588, 6096, 6820, 6985, 7440, 7620, 7874, 8184, 8382, 10160, 10230, 11176, 11811, 13640, 13970, 15240, 15748, 16129, 16368, 16764, 19685, 20460, 20955, 22352, 23622, 27280, 27940, 30480, 31496, 32258, 33528, 39370, 40920, 41910, 43307, 47244, 48387, 55880, 59055, 62992, 64516, 67056, 78740, 80645, 81840, 83820, 86614, 94488, 96774, 111760, 118110, 129032, 129921, 157480, 161290, 167640, 173228, 177419, 188976, 193548, 216535, 236220, 241935, 258064, 259842, 314960, 322580, 335280, 346456, 354838, 387096, 433070, 472440, 483870, 499999, 519684, 532257, 645160, 649605, 692912, 709676, 774192, 866140, 887095, 944880, 967740, 999998, 1039368, 1064514, 1290320, 1299210, 1419352, 1499997, 1732280, 1774190, 1935480, 1999996, 2078736, 2129028, 2499995, 2598420, 2661285, 2838704, 2999994, 3464560, 3548380, 3870960, 3999992, 4258056, 4999990, 5196840, 5322570, 5499989, 5999988, 7096760, 7499985, 7999984, 8516112, 9999980, 10393680, 10645140, 10999978, 11999976, 14193520, 14999970, 16499967, 19999960, 21290280, 21999956, 23999952, 27499945, 29999940, 32999934, 39999920, 42580560, 43999912, 54999890, 59999880, 65999868, 82499835, 87999824, 109999780, 119999760, 131999736, 164999670, 219999560, 263999472, 329999340, 439999120, 659998680, 1319997360]

約数ペア:

[(1, 1319997360), (2, 659998680), (3, 439999120), (4, 329999340), (5, 263999472), (6, 219999560), (8, 164999670), (10, 131999736), (11, 119999760), (12, 109999780), (15, 87999824), (16, 82499835), (20, 65999868), (22, 59999880), (24, 54999890), (30, 43999912), (31, 42580560), (33, 39999920), (40, 32999934), (44, 29999940), (48, 27499945), (55, 23999952), (60, 21999956), (62, 21290280), (66, 19999960), (80, 16499967), (88, 14999970), (93, 14193520), (110, 11999976), (120, 10999978), (124, 10645140), (127, 10393680), (132, 9999980), (155, 8516112), (165, 7999984), (176, 7499985), (186, 7096760), (220, 5999988), (240, 5499989), (248, 5322570), (254, 5196840), (264, 4999990), (310, 4258056), (330, 3999992), (341, 3870960), (372, 3548380), (381, 3464560), (440, 2999994), (465, 2838704), (496, 2661285), (508, 2598420), (528, 2499995), (620, 2129028), (635, 2078736), (660, 1999996), (682, 1935480), (744, 1774190), (762, 1732280), (880, 1499997), (930, 1419352), (1016, 1299210), (1023, 1290320), (1240, 1064514), (1270, 1039368), (1320, 999998), (1364, 967740), (1397, 944880), (1488, 887095), (1524, 866140), (1705, 774192), (1860, 709676), (1905, 692912), (2032, 649605), (2046, 645160), (2480, 532257), (2540, 519684), (2640, 499999), (2728, 483870), (2794, 472440), (3048, 433070), (3410, 387096), (3720, 354838), (3810, 346456), (3937, 335280), (4092, 322580), (4191, 314960), (5080, 259842), (5115, 258064), (5456, 241935), (5588, 236220), (6096, 216535), (6820, 193548), (6985, 188976), (7440, 177419), (7620, 173228), (7874, 167640), (8184, 161290), (8382, 157480), (10160, 129921), (10230, 129032), (11176, 118110), (11811, 111760), (13640, 96774), (13970, 94488), (15240, 86614), (15748, 83820), (16129, 81840), (16368, 80645), (16764, 78740), (19685, 67056), (20460, 64516), (20955, 62992), (22352, 59055), (23622, 55880), (27280, 48387), (27940, 47244), (30480, 43307), (31496, 41910), (32258, 40920), (33528, 39370)]