128890560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:183

約数の個数: 224

約数和(自身を含む): 435400704

約数和(自身を除く): 306510144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 61, 62, 64, 71, 80, 93, 96, 120, 122, 124, 142, 155, 160, 183, 186, 192, 213, 240, 244, 248, 284, 305, 310, 320, 355, 366, 372, 426, 465, 480, 488, 496, 568, 610, 620, 710, 732, 744, 852, 915, 930, 960, 976, 992, 1065, 1136, 1220, 1240, 1420, 1464, 1488, 1704, 1830, 1860, 1891, 1952, 1984, 2130, 2201, 2272, 2440, 2480, 2840, 2928, 2976, 3408, 3660, 3720, 3782, 3904, 4260, 4331, 4402, 4544, 4880, 4960, 5673, 5680, 5856, 5952, 6603, 6816, 7320, 7440, 7564, 8520, 8662, 8804, 9455, 9760, 9920, 11005, 11346, 11360, 11712, 12993, 13206, 13632, 14640, 14880, 15128, 17040, 17324, 17608, 18910, 19520, 21655, 22010, 22692, 22720, 25986, 26412, 28365, 29280, 29760, 30256, 33015, 34080, 34648, 35216, 37820, 43310, 44020, 45384, 51972, 52824, 56730, 58560, 60512, 64965, 66030, 68160, 69296, 70432, 75640, 86620, 88040, 90768, 103944, 105648, 113460, 121024, 129930, 132060, 134261, 138592, 140864, 151280, 173240, 176080, 181536, 207888, 211296, 226920, 259860, 264120, 268522, 277184, 302560, 346480, 352160, 363072, 402783, 415776, 422592, 453840, 519720, 528240, 537044, 605120, 671305, 692960, 704320, 805566, 831552, 907680, 1039440, 1056480, 1074088, 1342610, 1385920, 1611132, 1815360, 2013915, 2078880, 2112960, 2148176, 2685220, 3222264, 4027830, 4157760, 4296352, 5370440, 6444528, 8055660, 8592704, 10740880, 12889056, 16111320, 21481760, 25778112, 32222640, 42963520, 64445280, 128890560]

約数ペア:

[(1, 128890560), (2, 64445280), (3, 42963520), (4, 32222640), (5, 25778112), (6, 21481760), (8, 16111320), (10, 12889056), (12, 10740880), (15, 8592704), (16, 8055660), (20, 6444528), (24, 5370440), (30, 4296352), (31, 4157760), (32, 4027830), (40, 3222264), (48, 2685220), (60, 2148176), (61, 2112960), (62, 2078880), (64, 2013915), (71, 1815360), (80, 1611132), (93, 1385920), (96, 1342610), (120, 1074088), (122, 1056480), (124, 1039440), (142, 907680), (155, 831552), (160, 805566), (183, 704320), (186, 692960), (192, 671305), (213, 605120), (240, 537044), (244, 528240), (248, 519720), (284, 453840), (305, 422592), (310, 415776), (320, 402783), (355, 363072), (366, 352160), (372, 346480), (426, 302560), (465, 277184), (480, 268522), (488, 264120), (496, 259860), (568, 226920), (610, 211296), (620, 207888), (710, 181536), (732, 176080), (744, 173240), (852, 151280), (915, 140864), (930, 138592), (960, 134261), (976, 132060), (992, 129930), (1065, 121024), (1136, 113460), (1220, 105648), (1240, 103944), (1420, 90768), (1464, 88040), (1488, 86620), (1704, 75640), (1830, 70432), (1860, 69296), (1891, 68160), (1952, 66030), (1984, 64965), (2130, 60512), (2201, 58560), (2272, 56730), (2440, 52824), (2480, 51972), (2840, 45384), (2928, 44020), (2976, 43310), (3408, 37820), (3660, 35216), (3720, 34648), (3782, 34080), (3904, 33015), (4260, 30256), (4331, 29760), (4402, 29280), (4544, 28365), (4880, 26412), (4960, 25986), (5673, 22720), (5680, 22692), (5856, 22010), (5952, 21655), (6603, 19520), (6816, 18910), (7320, 17608), (7440, 17324), (7564, 17040), (8520, 15128), (8662, 14880), (8804, 14640), (9455, 13632), (9760, 13206), (9920, 12993), (11005, 11712), (11346, 11360)]