639350280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:493

約数の個数: 256

約数和(自身を含む): 2286144000

約数和(自身を除く): 1646793720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 97, 102, 108, 120, 135, 136, 153, 170, 180, 194, 204, 216, 255, 270, 291, 306, 340, 359, 360, 388, 408, 459, 485, 510, 540, 582, 612, 680, 718, 765, 776, 873, 918, 970, 1020, 1077, 1080, 1164, 1224, 1436, 1455, 1530, 1649, 1746, 1795, 1836, 1940, 2040, 2154, 2295, 2328, 2619, 2872, 2910, 3060, 3231, 3298, 3492, 3590, 3672, 3880, 4308, 4365, 4590, 4947, 5238, 5385, 5820, 6103, 6120, 6462, 6596, 6984, 7180, 8245, 8616, 8730, 9180, 9693, 9894, 10476, 10770, 11640, 12206, 12924, 13095, 13192, 14360, 14841, 16155, 16490, 17460, 18309, 18360, 19386, 19788, 20952, 21540, 24412, 24735, 25848, 26190, 29682, 30515, 32310, 32980, 34823, 34920, 36618, 38772, 39576, 43080, 44523, 48465, 48824, 49470, 52380, 54927, 59364, 61030, 64620, 65960, 69646, 73236, 74205, 77544, 89046, 91545, 96930, 98940, 104469, 104760, 109854, 118728, 122060, 129240, 139292, 146472, 148410, 164781, 174115, 178092, 183090, 193860, 197880, 208938, 219708, 222615, 244120, 274635, 278584, 296820, 313407, 329562, 348230, 356184, 366180, 387720, 417876, 439416, 445230, 522345, 549270, 591991, 593640, 626814, 659124, 696460, 732360, 823905, 835752, 890460, 940221, 1044690, 1098540, 1183982, 1253628, 1318248, 1392920, 1567035, 1647810, 1775973, 1780920, 1880442, 2089380, 2197080, 2367964, 2507256, 2959955, 3134070, 3295620, 3551946, 3760884, 4178760, 4701105, 4735928, 5327919, 5919910, 6268140, 6591240, 7103892, 7521768, 8879865, 9402210, 10655838, 11839820, 12536280, 14207784, 15983757, 17759730, 18804420, 21311676, 23679640, 26639595, 31967514, 35519460, 37608840, 42623352, 53279190, 63935028, 71038920, 79918785, 106558380, 127870056, 159837570, 213116760, 319675140, 639350280]

約数ペア:

[(1, 639350280), (2, 319675140), (3, 213116760), (4, 159837570), (5, 127870056), (6, 106558380), (8, 79918785), (9, 71038920), (10, 63935028), (12, 53279190), (15, 42623352), (17, 37608840), (18, 35519460), (20, 31967514), (24, 26639595), (27, 23679640), (30, 21311676), (34, 18804420), (36, 17759730), (40, 15983757), (45, 14207784), (51, 12536280), (54, 11839820), (60, 10655838), (68, 9402210), (72, 8879865), (85, 7521768), (90, 7103892), (97, 6591240), (102, 6268140), (108, 5919910), (120, 5327919), (135, 4735928), (136, 4701105), (153, 4178760), (170, 3760884), (180, 3551946), (194, 3295620), (204, 3134070), (216, 2959955), (255, 2507256), (270, 2367964), (291, 2197080), (306, 2089380), (340, 1880442), (359, 1780920), (360, 1775973), (388, 1647810), (408, 1567035), (459, 1392920), (485, 1318248), (510, 1253628), (540, 1183982), (582, 1098540), (612, 1044690), (680, 940221), (718, 890460), (765, 835752), (776, 823905), (873, 732360), (918, 696460), (970, 659124), (1020, 626814), (1077, 593640), (1080, 591991), (1164, 549270), (1224, 522345), (1436, 445230), (1455, 439416), (1530, 417876), (1649, 387720), (1746, 366180), (1795, 356184), (1836, 348230), (1940, 329562), (2040, 313407), (2154, 296820), (2295, 278584), (2328, 274635), (2619, 244120), (2872, 222615), (2910, 219708), (3060, 208938), (3231, 197880), (3298, 193860), (3492, 183090), (3590, 178092), (3672, 174115), (3880, 164781), (4308, 148410), (4365, 146472), (4590, 139292), (4947, 129240), (5238, 122060), (5385, 118728), (5820, 109854), (6103, 104760), (6120, 104469), (6462, 98940), (6596, 96930), (6984, 91545), (7180, 89046), (8245, 77544), (8616, 74205), (8730, 73236), (9180, 69646), (9693, 65960), (9894, 64620), (10476, 61030), (10770, 59364), (11640, 54927), (12206, 52380), (12924, 49470), (13095, 48824), (13192, 48465), (14360, 44523), (14841, 43080), (16155, 39576), (16490, 38772), (17460, 36618), (18309, 34920), (18360, 34823), (19386, 32980), (19788, 32310), (20952, 30515), (21540, 29682), (24412, 26190), (24735, 25848)]