666286720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 256

約数和(自身を含む): 1861263360

約数和(自身を除く): 1194976640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 43, 44, 55, 62, 64, 71, 80, 86, 88, 110, 124, 128, 142, 155, 160, 172, 176, 215, 220, 248, 284, 310, 320, 341, 344, 352, 355, 430, 440, 473, 496, 568, 620, 640, 682, 688, 704, 710, 781, 860, 880, 946, 992, 1136, 1240, 1333, 1364, 1376, 1408, 1420, 1562, 1705, 1720, 1760, 1892, 1984, 2201, 2272, 2365, 2480, 2666, 2728, 2752, 2840, 3053, 3124, 3410, 3440, 3520, 3784, 3905, 3968, 4402, 4544, 4730, 4960, 5332, 5456, 5504, 5680, 6106, 6248, 6665, 6820, 6880, 7040, 7568, 7810, 8804, 9088, 9460, 9920, 10664, 10912, 11005, 11360, 12212, 12496, 13330, 13640, 13760, 14663, 15136, 15265, 15620, 17608, 18920, 19840, 21328, 21824, 22010, 22720, 24211, 24424, 24992, 26660, 27280, 27520, 29326, 30272, 30530, 31240, 33583, 35216, 37840, 42656, 43648, 44020, 45440, 48422, 48848, 49984, 53320, 54560, 58652, 60544, 61060, 62480, 67166, 70432, 73315, 75680, 85312, 88040, 94643, 96844, 97696, 99968, 106640, 109120, 117304, 121055, 122120, 124960, 134332, 140864, 146630, 151360, 167915, 170624, 176080, 189286, 193688, 195392, 213280, 218240, 234608, 242110, 244240, 249920, 268664, 281728, 293260, 302720, 335830, 352160, 378572, 387376, 390784, 426560, 469216, 473215, 484220, 488480, 499840, 537328, 586520, 671660, 704320, 757144, 774752, 853120, 938432, 946430, 968440, 976960, 1041073, 1074656, 1173040, 1343320, 1408640, 1514288, 1549504, 1876864, 1892860, 1936880, 1953920, 2082146, 2149312, 2346080, 2686640, 3028576, 3099008, 3785720, 3873760, 4164292, 4298624, 4692160, 5205365, 5373280, 6057152, 7571440, 7747520, 8328584, 9384320, 10410730, 10746560, 12114304, 15142880, 15495040, 16657168, 20821460, 21493120, 30285760, 33314336, 41642920, 60571520, 66628672, 83285840, 133257344, 166571680, 333143360, 666286720]

約数ペア:

[(1, 666286720), (2, 333143360), (4, 166571680), (5, 133257344), (8, 83285840), (10, 66628672), (11, 60571520), (16, 41642920), (20, 33314336), (22, 30285760), (31, 21493120), (32, 20821460), (40, 16657168), (43, 15495040), (44, 15142880), (55, 12114304), (62, 10746560), (64, 10410730), (71, 9384320), (80, 8328584), (86, 7747520), (88, 7571440), (110, 6057152), (124, 5373280), (128, 5205365), (142, 4692160), (155, 4298624), (160, 4164292), (172, 3873760), (176, 3785720), (215, 3099008), (220, 3028576), (248, 2686640), (284, 2346080), (310, 2149312), (320, 2082146), (341, 1953920), (344, 1936880), (352, 1892860), (355, 1876864), (430, 1549504), (440, 1514288), (473, 1408640), (496, 1343320), (568, 1173040), (620, 1074656), (640, 1041073), (682, 976960), (688, 968440), (704, 946430), (710, 938432), (781, 853120), (860, 774752), (880, 757144), (946, 704320), (992, 671660), (1136, 586520), (1240, 537328), (1333, 499840), (1364, 488480), (1376, 484220), (1408, 473215), (1420, 469216), (1562, 426560), (1705, 390784), (1720, 387376), (1760, 378572), (1892, 352160), (1984, 335830), (2201, 302720), (2272, 293260), (2365, 281728), (2480, 268664), (2666, 249920), (2728, 244240), (2752, 242110), (2840, 234608), (3053, 218240), (3124, 213280), (3410, 195392), (3440, 193688), (3520, 189286), (3784, 176080), (3905, 170624), (3968, 167915), (4402, 151360), (4544, 146630), (4730, 140864), (4960, 134332), (5332, 124960), (5456, 122120), (5504, 121055), (5680, 117304), (6106, 109120), (6248, 106640), (6665, 99968), (6820, 97696), (6880, 96844), (7040, 94643), (7568, 88040), (7810, 85312), (8804, 75680), (9088, 73315), (9460, 70432), (9920, 67166), (10664, 62480), (10912, 61060), (11005, 60544), (11360, 58652), (12212, 54560), (12496, 53320), (13330, 49984), (13640, 48848), (13760, 48422), (14663, 45440), (15136, 44020), (15265, 43648), (15620, 42656), (17608, 37840), (18920, 35216), (19840, 33583), (21328, 31240), (21824, 30530), (22010, 30272), (22720, 29326), (24211, 27520), (24424, 27280), (24992, 26660)]