8315520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 27319680

約数和(自身を除く): 19004160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 71, 80, 96, 120, 122, 128, 142, 160, 183, 192, 213, 240, 244, 284, 305, 320, 355, 366, 384, 426, 480, 488, 568, 610, 640, 710, 732, 852, 915, 960, 976, 1065, 1136, 1220, 1420, 1464, 1704, 1830, 1920, 1952, 2130, 2272, 2440, 2840, 2928, 3408, 3660, 3904, 4260, 4331, 4544, 4880, 5680, 5856, 6816, 7320, 7808, 8520, 8662, 9088, 9760, 11360, 11712, 12993, 13632, 14640, 17040, 17324, 19520, 21655, 22720, 23424, 25986, 27264, 29280, 34080, 34648, 39040, 43310, 45440, 51972, 58560, 64965, 68160, 69296, 86620, 103944, 117120, 129930, 136320, 138592, 173240, 207888, 259860, 277184, 346480, 415776, 519720, 554368, 692960, 831552, 1039440, 1385920, 1663104, 2078880, 2771840, 4157760, 8315520]

約数ペア:

[(1, 8315520), (2, 4157760), (3, 2771840), (4, 2078880), (5, 1663104), (6, 1385920), (8, 1039440), (10, 831552), (12, 692960), (15, 554368), (16, 519720), (20, 415776), (24, 346480), (30, 277184), (32, 259860), (40, 207888), (48, 173240), (60, 138592), (61, 136320), (64, 129930), (71, 117120), (80, 103944), (96, 86620), (120, 69296), (122, 68160), (128, 64965), (142, 58560), (160, 51972), (183, 45440), (192, 43310), (213, 39040), (240, 34648), (244, 34080), (284, 29280), (305, 27264), (320, 25986), (355, 23424), (366, 22720), (384, 21655), (426, 19520), (480, 17324), (488, 17040), (568, 14640), (610, 13632), (640, 12993), (710, 11712), (732, 11360), (852, 9760), (915, 9088), (960, 8662), (976, 8520), (1065, 7808), (1136, 7320), (1220, 6816), (1420, 5856), (1464, 5680), (1704, 4880), (1830, 4544), (1920, 4331), (1952, 4260), (2130, 3904), (2272, 3660), (2440, 3408), (2840, 2928)]