About the Number

12473280

12473279 ← → 12473281

2進数表記:101111100101001111000000

漢数字表記:千二百四十七万三千二百八十

素因数分解:

2 6 × 3 2 × 5 1 × 61 1 × 71 1

素因数の和:155
約数の個数: 168
約数和(自身を含む): 44220384
約数和(自身を除く): 31747104

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 64, 71, 72, 80, 90, 96, 120, 122, 142, 144, 160, 180, 183, 192, 213, 240, 244, 284, 288, 305, 320, 355, 360, 366, 426, 480, 488, 549, 568, 576, 610, 639, 710, 720, 732, 852, 915, 960, 976, 1065, 1098, 1136, 1220, 1278, 1420, 1440, 1464, 1704, 1830, 1952, 2130, 2196, 2272, 2440, 2556, 2745, 2840, 2880, 2928, 3195, 3408, 3660, 3904, 4260, 4331, 4392, 4544, 4880, 5112, 5490, 5680, 5856, 6390, 6816, 7320, 8520, 8662, 8784, 9760, 10224, 10980, 11360, 11712, 12780, 12993, 13632, 14640, 17040, 17324, 17568, 19520, 20448, 21655, 21960, 22720, 25560, 25986, 29280, 34080, 34648, 35136, 38979, 40896, 43310, 43920, 51120, 51972, 58560, 64965, 68160, 69296, 77958, 86620, 87840, 102240, 103944, 129930, 138592, 155916, 173240, 175680, 194895, 204480, 207888, 259860, 277184, 311832, 346480, 389790, 415776, 519720, 623664, 692960, 779580, 831552, 1039440, 1247328, 1385920, 1559160, 2078880, 2494656, 3118320, 4157760, 6236640, 12473280]

約数ペア:
[(1, 12473280), (2, 6236640), (3, 4157760), (4, 3118320), (5, 2494656), (6, 2078880), (8, 1559160), (9, 1385920), (10, 1247328), (12, 1039440), (15, 831552), (16, 779580), (18, 692960), (20, 623664), (24, 519720), (30, 415776), (32, 389790), (36, 346480), (40, 311832), (45, 277184), (48, 259860), (60, 207888), (61, 204480), (64, 194895), (71, 175680), (72, 173240), (80, 155916), (90, 138592), (96, 129930), (120, 103944), (122, 102240), (142, 87840), (144, 86620), (160, 77958), (180, 69296), (183, 68160), (192, 64965), (213, 58560), (240, 51972), (244, 51120), (284, 43920), (288, 43310), (305, 40896), (320, 38979), (355, 35136), (360, 34648), (366, 34080), (426, 29280), (480, 25986), (488, 25560), (549, 22720), (568, 21960), (576, 21655), (610, 20448), (639, 19520), (710, 17568), (720, 17324), (732, 17040), (852, 14640), (915, 13632), (960, 12993), (976, 12780), (1065, 11712), (1098, 11360), (1136, 10980), (1220, 10224), (1278, 9760), (1420, 8784), (1440, 8662), (1464, 8520), (1704, 7320), (1830, 6816), (1952, 6390), (2130, 5856), (2196, 5680), (2272, 5490), (2440, 5112), (2556, 4880), (2745, 4544), (2840, 4392), (2880, 4331), (2928, 4260), (3195, 3904), (3408, 3660)]

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