1009498880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 288

約数和(自身を含む): 2857021440

約数和(自身を除く): 1847522560

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, 103, 104, 124, 128, 130, 152, 155, 160, 190, 206, 208, 247, 248, 256, 260, 304, 310, 320, 380, 403, 412, 416, 494, 496, 515, 520, 589, 608, 620, 640, 760, 806, 824, 832, 988, 992, 1030, 1040, 1178, 1216, 1235, 1240, 1280, 1339, 1520, 1612, 1648, 1664, 1957, 1976, 1984, 2015, 2060, 2080, 2356, 2432, 2470, 2480, 2678, 2945, 3040, 3193, 3224, 3296, 3328, 3914, 3952, 3968, 4030, 4120, 4160, 4712, 4864, 4940, 4960, 5356, 5890, 6080, 6386, 6448, 6592, 6695, 7657, 7828, 7904, 7936, 8060, 8240, 8320, 9424, 9785, 9880, 9920, 10712, 11780, 12160, 12772, 12896, 13184, 13390, 15314, 15656, 15808, 15965, 16120, 16480, 16640, 18848, 19570, 19760, 19840, 21424, 23560, 24320, 25441, 25544, 25792, 26368, 26780, 30628, 31312, 31616, 31930, 32240, 32960, 37696, 38285, 39140, 39520, 39680, 41509, 42848, 47120, 50882, 51088, 51584, 53560, 60667, 61256, 62624, 63232, 63860, 64480, 65920, 75392, 76570, 78280, 79040, 83018, 85696, 94240, 101764, 102176, 103168, 107120, 121334, 122512, 125248, 127205, 127720, 128960, 131840, 150784, 153140, 156560, 158080, 166036, 171392, 188480, 203528, 204352, 207545, 214240, 242668, 245024, 250496, 254410, 255440, 257920, 303335, 306280, 313120, 316160, 332072, 342784, 376960, 407056, 408704, 415090, 428480, 485336, 490048, 500992, 508820, 510880, 515840, 606670, 612560, 626240, 664144, 753920, 788671, 814112, 817408, 830180, 856960, 970672, 980096, 1017640, 1021760, 1213340, 1225120, 1252480, 1328288, 1577342, 1628224, 1660360, 1713920, 1941344, 1960192, 2035280, 2043520, 2426680, 2450240, 2504960, 2656576, 3154684, 3256448, 3320720, 3882688, 3943355, 4070560, 4087040, 4853360, 4900480, 5313152, 6309368, 6512896, 6641440, 7765376, 7886710, 8141120, 9706720, 9800960, 10626304, 12618736, 13282880, 15530752, 15773420, 16282240, 19413440, 25237472, 26565760, 31546840, 32564480, 38826880, 50474944, 53131520, 63093680, 77653760, 100949888, 126187360, 201899776, 252374720, 504749440, 1009498880]

約数ペア:

[(1, 1009498880), (2, 504749440), (4, 252374720), (5, 201899776), (8, 126187360), (10, 100949888), (13, 77653760), (16, 63093680), (19, 53131520), (20, 50474944), (26, 38826880), (31, 32564480), (32, 31546840), (38, 26565760), (40, 25237472), (52, 19413440), (62, 16282240), (64, 15773420), (65, 15530752), (76, 13282880), (80, 12618736), (95, 10626304), (103, 9800960), (104, 9706720), (124, 8141120), (128, 7886710), (130, 7765376), (152, 6641440), (155, 6512896), (160, 6309368), (190, 5313152), (206, 4900480), (208, 4853360), (247, 4087040), (248, 4070560), (256, 3943355), (260, 3882688), (304, 3320720), (310, 3256448), (320, 3154684), (380, 2656576), (403, 2504960), (412, 2450240), (416, 2426680), (494, 2043520), (496, 2035280), (515, 1960192), (520, 1941344), (589, 1713920), (608, 1660360), (620, 1628224), (640, 1577342), (760, 1328288), (806, 1252480), (824, 1225120), (832, 1213340), (988, 1021760), (992, 1017640), (1030, 980096), (1040, 970672), (1178, 856960), (1216, 830180), (1235, 817408), (1240, 814112), (1280, 788671), (1339, 753920), (1520, 664144), (1612, 626240), (1648, 612560), (1664, 606670), (1957, 515840), (1976, 510880), (1984, 508820), (2015, 500992), (2060, 490048), (2080, 485336), (2356, 428480), (2432, 415090), (2470, 408704), (2480, 407056), (2678, 376960), (2945, 342784), (3040, 332072), (3193, 316160), (3224, 313120), (3296, 306280), (3328, 303335), (3914, 257920), (3952, 255440), (3968, 254410), (4030, 250496), (4120, 245024), (4160, 242668), (4712, 214240), (4864, 207545), (4940, 204352), (4960, 203528), (5356, 188480), (5890, 171392), (6080, 166036), (6386, 158080), (6448, 156560), (6592, 153140), (6695, 150784), (7657, 131840), (7828, 128960), (7904, 127720), (7936, 127205), (8060, 125248), (8240, 122512), (8320, 121334), (9424, 107120), (9785, 103168), (9880, 102176), (9920, 101764), (10712, 94240), (11780, 85696), (12160, 83018), (12772, 79040), (12896, 78280), (13184, 76570), (13390, 75392), (15314, 65920), (15656, 64480), (15808, 63860), (15965, 63232), (16120, 62624), (16480, 61256), (16640, 60667), (18848, 53560), (19570, 51584), (19760, 51088), (19840, 50882), (21424, 47120), (23560, 42848), (24320, 41509), (25441, 39680), (25544, 39520), (25792, 39140), (26368, 38285), (26780, 37696), (30628, 32960), (31312, 32240), (31616, 31930)]