428358240

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{433}}^1$

素因数の和:686

約数の個数: 192

約数和(自身を含む): 1509278400

約数和(自身を除く): 1080920160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 229, 240, 270, 288, 360, 432, 433, 458, 480, 540, 687, 720, 864, 866, 916, 1080, 1145, 1299, 1374, 1440, 1732, 1832, 2061, 2160, 2165, 2290, 2598, 2748, 3435, 3464, 3664, 3897, 4122, 4320, 4330, 4580, 5196, 5496, 6183, 6495, 6870, 6928, 7328, 7794, 8244, 8660, 9160, 10305, 10392, 10992, 11691, 12366, 12990, 13740, 13856, 15588, 16488, 17320, 18320, 19485, 20610, 20784, 21984, 23382, 24732, 25980, 27480, 30915, 31176, 32976, 34640, 36640, 38970, 41220, 41568, 46764, 49464, 51960, 54960, 58455, 61830, 62352, 65952, 69280, 77940, 82440, 93528, 98928, 99157, 103920, 109920, 116910, 123660, 124704, 155880, 164880, 187056, 197856, 198314, 207840, 233820, 247320, 297471, 311760, 329760, 374112, 396628, 467640, 494640, 495785, 594942, 623520, 793256, 892413, 935280, 989280, 991570, 1189884, 1487355, 1586512, 1784826, 1870560, 1983140, 2379768, 2677239, 2974710, 3173024, 3569652, 3966280, 4462065, 4759536, 5354478, 5949420, 7139304, 7932560, 8924130, 9519072, 10708956, 11898840, 13386195, 14278608, 15865120, 17848260, 21417912, 23797680, 26772390, 28557216, 35696520, 42835824, 47595360, 53544780, 71393040, 85671648, 107089560, 142786080, 214179120, 428358240]

約数ペア:

[(1, 428358240), (2, 214179120), (3, 142786080), (4, 107089560), (5, 85671648), (6, 71393040), (8, 53544780), (9, 47595360), (10, 42835824), (12, 35696520), (15, 28557216), (16, 26772390), (18, 23797680), (20, 21417912), (24, 17848260), (27, 15865120), (30, 14278608), (32, 13386195), (36, 11898840), (40, 10708956), (45, 9519072), (48, 8924130), (54, 7932560), (60, 7139304), (72, 5949420), (80, 5354478), (90, 4759536), (96, 4462065), (108, 3966280), (120, 3569652), (135, 3173024), (144, 2974710), (160, 2677239), (180, 2379768), (216, 1983140), (229, 1870560), (240, 1784826), (270, 1586512), (288, 1487355), (360, 1189884), (432, 991570), (433, 989280), (458, 935280), (480, 892413), (540, 793256), (687, 623520), (720, 594942), (864, 495785), (866, 494640), (916, 467640), (1080, 396628), (1145, 374112), (1299, 329760), (1374, 311760), (1440, 297471), (1732, 247320), (1832, 233820), (2061, 207840), (2160, 198314), (2165, 197856), (2290, 187056), (2598, 164880), (2748, 155880), (3435, 124704), (3464, 123660), (3664, 116910), (3897, 109920), (4122, 103920), (4320, 99157), (4330, 98928), (4580, 93528), (5196, 82440), (5496, 77940), (6183, 69280), (6495, 65952), (6870, 62352), (6928, 61830), (7328, 58455), (7794, 54960), (8244, 51960), (8660, 49464), (9160, 46764), (10305, 41568), (10392, 41220), (10992, 38970), (11691, 36640), (12366, 34640), (12990, 32976), (13740, 31176), (13856, 30915), (15588, 27480), (16488, 25980), (17320, 24732), (18320, 23382), (19485, 21984), (20610, 20784)]