388619280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{929}}^1$

素因数の和:1038

約数の個数: 240

約数和(自身を含む): 1511153280

約数和(自身を除く): 1122534000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 83, 84, 90, 105, 112, 120, 126, 140, 144, 166, 168, 180, 210, 240, 249, 252, 280, 315, 332, 336, 360, 415, 420, 498, 504, 560, 581, 630, 664, 720, 747, 830, 840, 929, 996, 1008, 1162, 1245, 1260, 1328, 1494, 1660, 1680, 1743, 1858, 1992, 2324, 2490, 2520, 2787, 2905, 2988, 3320, 3486, 3716, 3735, 3984, 4645, 4648, 4980, 5040, 5229, 5574, 5810, 5976, 6503, 6640, 6972, 7432, 7470, 8361, 8715, 9290, 9296, 9960, 10458, 11148, 11620, 11952, 13006, 13935, 13944, 14864, 14940, 16722, 17430, 18580, 19509, 19920, 20916, 22296, 23240, 26012, 26145, 27870, 27888, 29880, 32515, 33444, 34860, 37160, 39018, 41805, 41832, 44592, 46480, 52024, 52290, 55740, 58527, 59760, 65030, 66888, 69720, 74320, 77107, 78036, 83610, 83664, 97545, 104048, 104580, 111480, 117054, 130060, 133776, 139440, 154214, 156072, 167220, 195090, 209160, 222960, 231321, 234108, 260120, 292635, 308428, 312144, 334440, 385535, 390180, 418320, 462642, 468216, 520240, 539749, 585270, 616856, 668880, 693963, 771070, 780360, 925284, 936432, 1079498, 1156605, 1170540, 1233712, 1387926, 1542140, 1560720, 1619247, 1850568, 2158996, 2313210, 2341080, 2698745, 2775852, 3084280, 3238494, 3469815, 3701136, 4317992, 4626420, 4682160, 4857741, 5397490, 5551704, 6168560, 6476988, 6939630, 8096235, 8635984, 9252840, 9715482, 10794980, 11103408, 12953976, 13879260, 16192470, 18505680, 19430964, 21589960, 24288705, 25907952, 27758520, 32384940, 38861928, 43179920, 48577410, 55517040, 64769880, 77723856, 97154820, 129539760, 194309640, 388619280]

約数ペア:

[(1, 388619280), (2, 194309640), (3, 129539760), (4, 97154820), (5, 77723856), (6, 64769880), (7, 55517040), (8, 48577410), (9, 43179920), (10, 38861928), (12, 32384940), (14, 27758520), (15, 25907952), (16, 24288705), (18, 21589960), (20, 19430964), (21, 18505680), (24, 16192470), (28, 13879260), (30, 12953976), (35, 11103408), (36, 10794980), (40, 9715482), (42, 9252840), (45, 8635984), (48, 8096235), (56, 6939630), (60, 6476988), (63, 6168560), (70, 5551704), (72, 5397490), (80, 4857741), (83, 4682160), (84, 4626420), (90, 4317992), (105, 3701136), (112, 3469815), (120, 3238494), (126, 3084280), (140, 2775852), (144, 2698745), (166, 2341080), (168, 2313210), (180, 2158996), (210, 1850568), (240, 1619247), (249, 1560720), (252, 1542140), (280, 1387926), (315, 1233712), (332, 1170540), (336, 1156605), (360, 1079498), (415, 936432), (420, 925284), (498, 780360), (504, 771070), (560, 693963), (581, 668880), (630, 616856), (664, 585270), (720, 539749), (747, 520240), (830, 468216), (840, 462642), (929, 418320), (996, 390180), (1008, 385535), (1162, 334440), (1245, 312144), (1260, 308428), (1328, 292635), (1494, 260120), (1660, 234108), (1680, 231321), (1743, 222960), (1858, 209160), (1992, 195090), (2324, 167220), (2490, 156072), (2520, 154214), (2787, 139440), (2905, 133776), (2988, 130060), (3320, 117054), (3486, 111480), (3716, 104580), (3735, 104048), (3984, 97545), (4645, 83664), (4648, 83610), (4980, 78036), (5040, 77107), (5229, 74320), (5574, 69720), (5810, 66888), (5976, 65030), (6503, 59760), (6640, 58527), (6972, 55740), (7432, 52290), (7470, 52024), (8361, 46480), (8715, 44592), (9290, 41832), (9296, 41805), (9960, 39018), (10458, 37160), (11148, 34860), (11620, 33444), (11952, 32515), (13006, 29880), (13935, 27888), (13944, 27870), (14864, 26145), (14940, 26012), (16722, 23240), (17430, 22296), (18580, 20916), (19509, 19920)]