20788800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 168

約数和(自身を含む): 70299072

約数和(自身を除く): 49510272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 61, 64, 71, 75, 80, 96, 100, 120, 122, 142, 150, 160, 183, 192, 200, 213, 240, 244, 284, 300, 305, 320, 355, 366, 400, 426, 480, 488, 568, 600, 610, 710, 732, 800, 852, 915, 960, 976, 1065, 1136, 1200, 1220, 1420, 1464, 1525, 1600, 1704, 1775, 1830, 1952, 2130, 2272, 2400, 2440, 2840, 2928, 3050, 3408, 3550, 3660, 3904, 4260, 4331, 4544, 4575, 4800, 4880, 5325, 5680, 5856, 6100, 6816, 7100, 7320, 8520, 8662, 9150, 9760, 10650, 11360, 11712, 12200, 12993, 13632, 14200, 14640, 17040, 17324, 18300, 19520, 21300, 21655, 22720, 24400, 25986, 28400, 29280, 34080, 34648, 36600, 42600, 43310, 48800, 51972, 56800, 58560, 64965, 68160, 69296, 73200, 85200, 86620, 97600, 103944, 108275, 113600, 129930, 138592, 146400, 170400, 173240, 207888, 216550, 259860, 277184, 292800, 324825, 340800, 346480, 415776, 433100, 519720, 649650, 692960, 831552, 866200, 1039440, 1299300, 1385920, 1732400, 2078880, 2598600, 3464800, 4157760, 5197200, 6929600, 10394400, 20788800]

約数ペア:

[(1, 20788800), (2, 10394400), (3, 6929600), (4, 5197200), (5, 4157760), (6, 3464800), (8, 2598600), (10, 2078880), (12, 1732400), (15, 1385920), (16, 1299300), (20, 1039440), (24, 866200), (25, 831552), (30, 692960), (32, 649650), (40, 519720), (48, 433100), (50, 415776), (60, 346480), (61, 340800), (64, 324825), (71, 292800), (75, 277184), (80, 259860), (96, 216550), (100, 207888), (120, 173240), (122, 170400), (142, 146400), (150, 138592), (160, 129930), (183, 113600), (192, 108275), (200, 103944), (213, 97600), (240, 86620), (244, 85200), (284, 73200), (300, 69296), (305, 68160), (320, 64965), (355, 58560), (366, 56800), (400, 51972), (426, 48800), (480, 43310), (488, 42600), (568, 36600), (600, 34648), (610, 34080), (710, 29280), (732, 28400), (800, 25986), (852, 24400), (915, 22720), (960, 21655), (976, 21300), (1065, 19520), (1136, 18300), (1200, 17324), (1220, 17040), (1420, 14640), (1464, 14200), (1525, 13632), (1600, 12993), (1704, 12200), (1775, 11712), (1830, 11360), (1952, 10650), (2130, 9760), (2272, 9150), (2400, 8662), (2440, 8520), (2840, 7320), (2928, 7100), (3050, 6816), (3408, 6100), (3550, 5856), (3660, 5680), (3904, 5325), (4260, 4880), (4331, 4800), (4544, 4575)]