1328030080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 256

約数和(自身を含む): 3728793600

約数和(自身を除く): 2400763520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 64, 65, 76, 80, 95, 104, 124, 128, 130, 152, 155, 160, 190, 208, 247, 248, 260, 271, 304, 310, 320, 380, 403, 416, 494, 496, 520, 542, 589, 608, 620, 640, 760, 806, 832, 988, 992, 1040, 1084, 1178, 1216, 1235, 1240, 1355, 1520, 1612, 1664, 1976, 1984, 2015, 2080, 2168, 2356, 2432, 2470, 2480, 2710, 2945, 3040, 3224, 3523, 3952, 3968, 4030, 4160, 4336, 4712, 4940, 4960, 5149, 5420, 5890, 6080, 6448, 7046, 7657, 7904, 8060, 8320, 8401, 8672, 9424, 9880, 9920, 10298, 10840, 11780, 12160, 12896, 14092, 15314, 15808, 16120, 16802, 17344, 17615, 18848, 19760, 19840, 20596, 21680, 23560, 25745, 25792, 28184, 30628, 31616, 32240, 33604, 34688, 35230, 37696, 38285, 39520, 41192, 42005, 43360, 47120, 51490, 51584, 56368, 61256, 64480, 66937, 67208, 70460, 75392, 76570, 79040, 82384, 84010, 86720, 94240, 102980, 109213, 112736, 122512, 128960, 133874, 134416, 140920, 153140, 158080, 159619, 164768, 168020, 173440, 188480, 205960, 218426, 225472, 245024, 257920, 267748, 268832, 281840, 306280, 319238, 329536, 334685, 336040, 376960, 411920, 436852, 450944, 490048, 535496, 537664, 546065, 563680, 612560, 638476, 659072, 669370, 672080, 798095, 823840, 873704, 980096, 1070992, 1075328, 1092130, 1127360, 1225120, 1276952, 1338740, 1344160, 1596190, 1647680, 1747408, 2075047, 2141984, 2184260, 2254720, 2450240, 2553904, 2677480, 2688320, 3192380, 3295360, 3494816, 4150094, 4283968, 4368520, 4900480, 5107808, 5354960, 5376640, 6384760, 6989632, 8300188, 8567936, 8737040, 10215616, 10375235, 10709920, 12769520, 13979264, 16600376, 17474080, 20431232, 20750470, 21419840, 25539040, 33200752, 34948160, 41500940, 42839680, 51078080, 66401504, 69896320, 83001880, 102156160, 132803008, 166003760, 265606016, 332007520, 664015040, 1328030080]

約数ペア:

[(1, 1328030080), (2, 664015040), (4, 332007520), (5, 265606016), (8, 166003760), (10, 132803008), (13, 102156160), (16, 83001880), (19, 69896320), (20, 66401504), (26, 51078080), (31, 42839680), (32, 41500940), (38, 34948160), (40, 33200752), (52, 25539040), (62, 21419840), (64, 20750470), (65, 20431232), (76, 17474080), (80, 16600376), (95, 13979264), (104, 12769520), (124, 10709920), (128, 10375235), (130, 10215616), (152, 8737040), (155, 8567936), (160, 8300188), (190, 6989632), (208, 6384760), (247, 5376640), (248, 5354960), (260, 5107808), (271, 4900480), (304, 4368520), (310, 4283968), (320, 4150094), (380, 3494816), (403, 3295360), (416, 3192380), (494, 2688320), (496, 2677480), (520, 2553904), (542, 2450240), (589, 2254720), (608, 2184260), (620, 2141984), (640, 2075047), (760, 1747408), (806, 1647680), (832, 1596190), (988, 1344160), (992, 1338740), (1040, 1276952), (1084, 1225120), (1178, 1127360), (1216, 1092130), (1235, 1075328), (1240, 1070992), (1355, 980096), (1520, 873704), (1612, 823840), (1664, 798095), (1976, 672080), (1984, 669370), (2015, 659072), (2080, 638476), (2168, 612560), (2356, 563680), (2432, 546065), (2470, 537664), (2480, 535496), (2710, 490048), (2945, 450944), (3040, 436852), (3224, 411920), (3523, 376960), (3952, 336040), (3968, 334685), (4030, 329536), (4160, 319238), (4336, 306280), (4712, 281840), (4940, 268832), (4960, 267748), (5149, 257920), (5420, 245024), (5890, 225472), (6080, 218426), (6448, 205960), (7046, 188480), (7657, 173440), (7904, 168020), (8060, 164768), (8320, 159619), (8401, 158080), (8672, 153140), (9424, 140920), (9880, 134416), (9920, 133874), (10298, 128960), (10840, 122512), (11780, 112736), (12160, 109213), (12896, 102980), (14092, 94240), (15314, 86720), (15808, 84010), (16120, 82384), (16802, 79040), (17344, 76570), (17615, 75392), (18848, 70460), (19760, 67208), (19840, 66937), (20596, 64480), (21680, 61256), (23560, 56368), (25745, 51584), (25792, 51490), (28184, 47120), (30628, 43360), (31616, 42005), (32240, 41192), (33604, 39520), (34688, 38285), (35230, 37696)]