28478400

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:391

約数の個数: 168

約数和(自身を含む): 99212400

約数和(自身を除く): 70734000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 136, 150, 160, 170, 192, 200, 204, 240, 255, 272, 300, 320, 340, 349, 400, 408, 425, 480, 510, 544, 600, 680, 698, 800, 816, 850, 960, 1020, 1047, 1088, 1200, 1275, 1360, 1396, 1600, 1632, 1700, 1745, 2040, 2094, 2400, 2550, 2720, 2792, 3264, 3400, 3490, 4080, 4188, 4800, 5100, 5235, 5440, 5584, 5933, 6800, 6980, 8160, 8376, 8725, 10200, 10470, 11168, 11866, 13600, 13960, 16320, 16752, 17450, 17799, 20400, 20940, 22336, 23732, 26175, 27200, 27920, 29665, 33504, 34900, 35598, 40800, 41880, 47464, 52350, 55840, 59330, 67008, 69800, 71196, 81600, 83760, 88995, 94928, 104700, 111680, 118660, 139600, 142392, 148325, 167520, 177990, 189856, 209400, 237320, 279200, 284784, 296650, 335040, 355980, 379712, 418800, 444975, 474640, 558400, 569568, 593300, 711960, 837600, 889950, 949280, 1139136, 1186600, 1423920, 1675200, 1779900, 1898560, 2373200, 2847840, 3559800, 4746400, 5695680, 7119600, 9492800, 14239200, 28478400]

約数ペア:

[(1, 28478400), (2, 14239200), (3, 9492800), (4, 7119600), (5, 5695680), (6, 4746400), (8, 3559800), (10, 2847840), (12, 2373200), (15, 1898560), (16, 1779900), (17, 1675200), (20, 1423920), (24, 1186600), (25, 1139136), (30, 949280), (32, 889950), (34, 837600), (40, 711960), (48, 593300), (50, 569568), (51, 558400), (60, 474640), (64, 444975), (68, 418800), (75, 379712), (80, 355980), (85, 335040), (96, 296650), (100, 284784), (102, 279200), (120, 237320), (136, 209400), (150, 189856), (160, 177990), (170, 167520), (192, 148325), (200, 142392), (204, 139600), (240, 118660), (255, 111680), (272, 104700), (300, 94928), (320, 88995), (340, 83760), (349, 81600), (400, 71196), (408, 69800), (425, 67008), (480, 59330), (510, 55840), (544, 52350), (600, 47464), (680, 41880), (698, 40800), (800, 35598), (816, 34900), (850, 33504), (960, 29665), (1020, 27920), (1047, 27200), (1088, 26175), (1200, 23732), (1275, 22336), (1360, 20940), (1396, 20400), (1600, 17799), (1632, 17450), (1700, 16752), (1745, 16320), (2040, 13960), (2094, 13600), (2400, 11866), (2550, 11168), (2720, 10470), (2792, 10200), (3264, 8725), (3400, 8376), (3490, 8160), (4080, 6980), (4188, 6800), (4800, 5933), (5100, 5584), (5235, 5440)]