4008810880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 256

約数和(自身を含む): 10478223360

約数和(自身を除く): 6469412480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 43, 62, 64, 74, 80, 86, 124, 127, 128, 148, 155, 160, 172, 185, 215, 248, 254, 296, 310, 320, 344, 370, 430, 496, 508, 592, 620, 635, 640, 688, 740, 860, 992, 1016, 1147, 1184, 1240, 1270, 1333, 1376, 1480, 1591, 1720, 1984, 2032, 2294, 2368, 2480, 2540, 2666, 2752, 2960, 3182, 3440, 3937, 3968, 4064, 4588, 4699, 4736, 4960, 5080, 5332, 5461, 5504, 5735, 5920, 6364, 6665, 6880, 7874, 7955, 8128, 9176, 9398, 9920, 10160, 10664, 10922, 11470, 11840, 12728, 13330, 13760, 15748, 15910, 16256, 18352, 18796, 19685, 19840, 20320, 21328, 21844, 22940, 23495, 23680, 25456, 26660, 27305, 27520, 31496, 31820, 36704, 37592, 39370, 40640, 42656, 43688, 45880, 46990, 49321, 50912, 53320, 54610, 62992, 63640, 73408, 75184, 78740, 81280, 85312, 87376, 91760, 93980, 98642, 101824, 106640, 109220, 125984, 127280, 145669, 146816, 150368, 157480, 169291, 170624, 174752, 183520, 187960, 197284, 202057, 203648, 213280, 218440, 246605, 251968, 254560, 291338, 300736, 314960, 338582, 349504, 367040, 375920, 394568, 404114, 426560, 436880, 493210, 503936, 509120, 582676, 601472, 629920, 677164, 699008, 728345, 734080, 751840, 789136, 808228, 846455, 853120, 873760, 986420, 1010285, 1018240, 1165352, 1259840, 1354328, 1456690, 1503680, 1578272, 1616456, 1692910, 1747520, 1972840, 2020570, 2330704, 2519680, 2708656, 2913380, 3007360, 3156544, 3232912, 3385820, 3495040, 3945680, 4041140, 4661408, 5417312, 5826760, 6263767, 6313088, 6465824, 6771640, 7891360, 8082280, 9322816, 10834624, 11653520, 12527534, 12931648, 13543280, 15782720, 16164560, 18645632, 21669248, 23307040, 25055068, 25863296, 27086560, 31318835, 31565440, 32329120, 46614080, 50110136, 54173120, 62637670, 64658240, 93228160, 100220272, 108346240, 125275340, 129316480, 200440544, 250550680, 400881088, 501101360, 801762176, 1002202720, 2004405440, 4008810880]

約数ペア:

[(1, 4008810880), (2, 2004405440), (4, 1002202720), (5, 801762176), (8, 501101360), (10, 400881088), (16, 250550680), (20, 200440544), (31, 129316480), (32, 125275340), (37, 108346240), (40, 100220272), (43, 93228160), (62, 64658240), (64, 62637670), (74, 54173120), (80, 50110136), (86, 46614080), (124, 32329120), (127, 31565440), (128, 31318835), (148, 27086560), (155, 25863296), (160, 25055068), (172, 23307040), (185, 21669248), (215, 18645632), (248, 16164560), (254, 15782720), (296, 13543280), (310, 12931648), (320, 12527534), (344, 11653520), (370, 10834624), (430, 9322816), (496, 8082280), (508, 7891360), (592, 6771640), (620, 6465824), (635, 6313088), (640, 6263767), (688, 5826760), (740, 5417312), (860, 4661408), (992, 4041140), (1016, 3945680), (1147, 3495040), (1184, 3385820), (1240, 3232912), (1270, 3156544), (1333, 3007360), (1376, 2913380), (1480, 2708656), (1591, 2519680), (1720, 2330704), (1984, 2020570), (2032, 1972840), (2294, 1747520), (2368, 1692910), (2480, 1616456), (2540, 1578272), (2666, 1503680), (2752, 1456690), (2960, 1354328), (3182, 1259840), (3440, 1165352), (3937, 1018240), (3968, 1010285), (4064, 986420), (4588, 873760), (4699, 853120), (4736, 846455), (4960, 808228), (5080, 789136), (5332, 751840), (5461, 734080), (5504, 728345), (5735, 699008), (5920, 677164), (6364, 629920), (6665, 601472), (6880, 582676), (7874, 509120), (7955, 503936), (8128, 493210), (9176, 436880), (9398, 426560), (9920, 404114), (10160, 394568), (10664, 375920), (10922, 367040), (11470, 349504), (11840, 338582), (12728, 314960), (13330, 300736), (13760, 291338), (15748, 254560), (15910, 251968), (16256, 246605), (18352, 218440), (18796, 213280), (19685, 203648), (19840, 202057), (20320, 197284), (21328, 187960), (21844, 183520), (22940, 174752), (23495, 170624), (23680, 169291), (25456, 157480), (26660, 150368), (27305, 146816), (27520, 145669), (31496, 127280), (31820, 125984), (36704, 109220), (37592, 106640), (39370, 101824), (40640, 98642), (42656, 93980), (43688, 91760), (45880, 87376), (46990, 85312), (49321, 81280), (50912, 78740), (53320, 75184), (54610, 73408), (62992, 63640)]