871531520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 264

約数和(自身を含む): 2413167360

約数和(自身を除く): 1541635840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 32, 34, 38, 40, 62, 64, 68, 76, 80, 85, 95, 124, 128, 136, 152, 155, 160, 170, 190, 248, 256, 272, 289, 304, 310, 320, 323, 340, 380, 496, 512, 527, 544, 578, 589, 608, 620, 640, 646, 680, 760, 992, 1024, 1054, 1088, 1156, 1178, 1216, 1240, 1280, 1292, 1360, 1445, 1520, 1615, 1984, 2108, 2176, 2312, 2356, 2432, 2480, 2560, 2584, 2635, 2720, 2890, 2945, 3040, 3230, 3968, 4216, 4352, 4624, 4712, 4864, 4960, 5120, 5168, 5270, 5440, 5491, 5780, 5890, 6080, 6460, 7936, 8432, 8704, 8959, 9248, 9424, 9728, 9920, 10013, 10336, 10540, 10880, 10982, 11560, 11780, 12160, 12920, 15872, 16864, 17408, 17918, 18496, 18848, 19456, 19840, 20026, 20672, 21080, 21760, 21964, 23120, 23560, 24320, 25840, 27455, 31744, 33728, 35836, 36992, 37696, 39680, 40052, 41344, 42160, 43520, 43928, 44795, 46240, 47120, 48640, 50065, 51680, 54910, 67456, 71672, 73984, 75392, 79360, 80104, 82688, 84320, 87040, 87856, 89590, 92480, 94240, 97280, 100130, 103360, 109820, 134912, 143344, 147968, 150784, 158720, 160208, 165376, 168640, 170221, 175712, 179180, 184960, 188480, 200260, 206720, 219640, 269824, 286688, 295936, 301568, 320416, 330752, 337280, 340442, 351424, 358360, 369920, 376960, 400520, 413440, 439280, 539648, 573376, 603136, 640832, 674560, 680884, 702848, 716720, 739840, 753920, 801040, 826880, 851105, 878560, 1146752, 1281664, 1349120, 1361768, 1405696, 1433440, 1479680, 1507840, 1602080, 1653760, 1702210, 1757120, 2293504, 2563328, 2698240, 2723536, 2811392, 2866880, 3015680, 3204160, 3404420, 3514240, 4587008, 5126656, 5447072, 5622784, 5733760, 6408320, 6808840, 7028480, 9174016, 10253312, 10894144, 11467520, 12816640, 13617680, 14056960, 21788288, 22935040, 25633280, 27235360, 28113920, 43576576, 45870080, 51266560, 54470720, 87153152, 108941440, 174306304, 217882880, 435765760, 871531520]

約数ペア:

[(1, 871531520), (2, 435765760), (4, 217882880), (5, 174306304), (8, 108941440), (10, 87153152), (16, 54470720), (17, 51266560), (19, 45870080), (20, 43576576), (31, 28113920), (32, 27235360), (34, 25633280), (38, 22935040), (40, 21788288), (62, 14056960), (64, 13617680), (68, 12816640), (76, 11467520), (80, 10894144), (85, 10253312), (95, 9174016), (124, 7028480), (128, 6808840), (136, 6408320), (152, 5733760), (155, 5622784), (160, 5447072), (170, 5126656), (190, 4587008), (248, 3514240), (256, 3404420), (272, 3204160), (289, 3015680), (304, 2866880), (310, 2811392), (320, 2723536), (323, 2698240), (340, 2563328), (380, 2293504), (496, 1757120), (512, 1702210), (527, 1653760), (544, 1602080), (578, 1507840), (589, 1479680), (608, 1433440), (620, 1405696), (640, 1361768), (646, 1349120), (680, 1281664), (760, 1146752), (992, 878560), (1024, 851105), (1054, 826880), (1088, 801040), (1156, 753920), (1178, 739840), (1216, 716720), (1240, 702848), (1280, 680884), (1292, 674560), (1360, 640832), (1445, 603136), (1520, 573376), (1615, 539648), (1984, 439280), (2108, 413440), (2176, 400520), (2312, 376960), (2356, 369920), (2432, 358360), (2480, 351424), (2560, 340442), (2584, 337280), (2635, 330752), (2720, 320416), (2890, 301568), (2945, 295936), (3040, 286688), (3230, 269824), (3968, 219640), (4216, 206720), (4352, 200260), (4624, 188480), (4712, 184960), (4864, 179180), (4960, 175712), (5120, 170221), (5168, 168640), (5270, 165376), (5440, 160208), (5491, 158720), (5780, 150784), (5890, 147968), (6080, 143344), (6460, 134912), (7936, 109820), (8432, 103360), (8704, 100130), (8959, 97280), (9248, 94240), (9424, 92480), (9728, 89590), (9920, 87856), (10013, 87040), (10336, 84320), (10540, 82688), (10880, 80104), (10982, 79360), (11560, 75392), (11780, 73984), (12160, 71672), (12920, 67456), (15872, 54910), (16864, 51680), (17408, 50065), (17918, 48640), (18496, 47120), (18848, 46240), (19456, 44795), (19840, 43928), (20026, 43520), (20672, 42160), (21080, 41344), (21760, 40052), (21964, 39680), (23120, 37696), (23560, 36992), (24320, 35836), (25840, 33728), (27455, 31744)]