80988480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:545

約数の個数: 168

約数和(自身を含む): 283747464

約数和(自身を除く): 202758984

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, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 192, 240, 244, 288, 305, 320, 360, 366, 461, 480, 488, 549, 576, 610, 720, 732, 915, 922, 960, 976, 1098, 1220, 1383, 1440, 1464, 1830, 1844, 1952, 2196, 2305, 2440, 2745, 2766, 2880, 2928, 3660, 3688, 3904, 4149, 4392, 4610, 4880, 5490, 5532, 5856, 6915, 7320, 7376, 8298, 8784, 9220, 9760, 10980, 11064, 11712, 13830, 14640, 14752, 16596, 17568, 18440, 19520, 20745, 21960, 22128, 27660, 28121, 29280, 29504, 33192, 35136, 36880, 41490, 43920, 44256, 55320, 56242, 58560, 66384, 73760, 82980, 84363, 87840, 88512, 110640, 112484, 132768, 140605, 147520, 165960, 168726, 175680, 221280, 224968, 253089, 265536, 281210, 331920, 337452, 421815, 442560, 449936, 506178, 562420, 663840, 674904, 843630, 899872, 1012356, 1124840, 1265445, 1327680, 1349808, 1687260, 1799744, 2024712, 2249680, 2530890, 2699616, 3374520, 4049424, 4499360, 5061780, 5399232, 6749040, 8098848, 8998720, 10123560, 13498080, 16197696, 20247120, 26996160, 40494240, 80988480]

約数ペア:

[(1, 80988480), (2, 40494240), (3, 26996160), (4, 20247120), (5, 16197696), (6, 13498080), (8, 10123560), (9, 8998720), (10, 8098848), (12, 6749040), (15, 5399232), (16, 5061780), (18, 4499360), (20, 4049424), (24, 3374520), (30, 2699616), (32, 2530890), (36, 2249680), (40, 2024712), (45, 1799744), (48, 1687260), (60, 1349808), (61, 1327680), (64, 1265445), (72, 1124840), (80, 1012356), (90, 899872), (96, 843630), (120, 674904), (122, 663840), (144, 562420), (160, 506178), (180, 449936), (183, 442560), (192, 421815), (240, 337452), (244, 331920), (288, 281210), (305, 265536), (320, 253089), (360, 224968), (366, 221280), (461, 175680), (480, 168726), (488, 165960), (549, 147520), (576, 140605), (610, 132768), (720, 112484), (732, 110640), (915, 88512), (922, 87840), (960, 84363), (976, 82980), (1098, 73760), (1220, 66384), (1383, 58560), (1440, 56242), (1464, 55320), (1830, 44256), (1844, 43920), (1952, 41490), (2196, 36880), (2305, 35136), (2440, 33192), (2745, 29504), (2766, 29280), (2880, 28121), (2928, 27660), (3660, 22128), (3688, 21960), (3904, 20745), (4149, 19520), (4392, 18440), (4610, 17568), (4880, 16596), (5490, 14752), (5532, 14640), (5856, 13830), (6915, 11712), (7320, 11064), (7376, 10980), (8298, 9760), (8784, 9220)]