320730840

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:693

約数の個数: 224

約数和(自身を含む): 1147387680

約数和(自身を除く): 826656840

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, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 243, 255, 270, 306, 324, 340, 360, 405, 408, 459, 486, 510, 540, 612, 647, 648, 680, 729, 765, 810, 918, 972, 1020, 1080, 1215, 1224, 1294, 1377, 1458, 1530, 1620, 1836, 1941, 1944, 2040, 2295, 2430, 2588, 2754, 2916, 3060, 3235, 3240, 3645, 3672, 3882, 4131, 4590, 4860, 5176, 5508, 5823, 5832, 6120, 6470, 6885, 7290, 7764, 8262, 9180, 9705, 9720, 10999, 11016, 11646, 12393, 12940, 13770, 14580, 15528, 16524, 17469, 18360, 19410, 20655, 21998, 23292, 24786, 25880, 27540, 29115, 29160, 32997, 33048, 34938, 38820, 41310, 43996, 46584, 49572, 52407, 54995, 55080, 58230, 61965, 65994, 69876, 77640, 82620, 87345, 87992, 98991, 99144, 104814, 109990, 116460, 123930, 131988, 139752, 157221, 164985, 165240, 174690, 197982, 209628, 219980, 232920, 247860, 262035, 263976, 296973, 314442, 329970, 349380, 395964, 419256, 439960, 471663, 494955, 495720, 524070, 593946, 628884, 659940, 698760, 786105, 791928, 890919, 943326, 989910, 1048140, 1187892, 1257768, 1319880, 1484865, 1572210, 1781838, 1886652, 1979820, 2096280, 2358315, 2375784, 2672757, 2969730, 3144420, 3563676, 3773304, 3959640, 4454595, 4716630, 5345514, 5939460, 6288840, 7127352, 8018271, 8909190, 9433260, 10691028, 11878920, 13363785, 16036542, 17818380, 18866520, 21382056, 26727570, 32073084, 35636760, 40091355, 53455140, 64146168, 80182710, 106910280, 160365420, 320730840]

約数ペア:

[(1, 320730840), (2, 160365420), (3, 106910280), (4, 80182710), (5, 64146168), (6, 53455140), (8, 40091355), (9, 35636760), (10, 32073084), (12, 26727570), (15, 21382056), (17, 18866520), (18, 17818380), (20, 16036542), (24, 13363785), (27, 11878920), (30, 10691028), (34, 9433260), (36, 8909190), (40, 8018271), (45, 7127352), (51, 6288840), (54, 5939460), (60, 5345514), (68, 4716630), (72, 4454595), (81, 3959640), (85, 3773304), (90, 3563676), (102, 3144420), (108, 2969730), (120, 2672757), (135, 2375784), (136, 2358315), (153, 2096280), (162, 1979820), (170, 1886652), (180, 1781838), (204, 1572210), (216, 1484865), (243, 1319880), (255, 1257768), (270, 1187892), (306, 1048140), (324, 989910), (340, 943326), (360, 890919), (405, 791928), (408, 786105), (459, 698760), (486, 659940), (510, 628884), (540, 593946), (612, 524070), (647, 495720), (648, 494955), (680, 471663), (729, 439960), (765, 419256), (810, 395964), (918, 349380), (972, 329970), (1020, 314442), (1080, 296973), (1215, 263976), (1224, 262035), (1294, 247860), (1377, 232920), (1458, 219980), (1530, 209628), (1620, 197982), (1836, 174690), (1941, 165240), (1944, 164985), (2040, 157221), (2295, 139752), (2430, 131988), (2588, 123930), (2754, 116460), (2916, 109990), (3060, 104814), (3235, 99144), (3240, 98991), (3645, 87992), (3672, 87345), (3882, 82620), (4131, 77640), (4590, 69876), (4860, 65994), (5176, 61965), (5508, 58230), (5823, 55080), (5832, 54995), (6120, 52407), (6470, 49572), (6885, 46584), (7290, 43996), (7764, 41310), (8262, 38820), (9180, 34938), (9705, 33048), (9720, 32997), (10999, 29160), (11016, 29115), (11646, 27540), (12393, 25880), (12940, 24786), (13770, 23292), (14580, 21998), (15528, 20655), (16524, 19410), (17469, 18360)]