901291520

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:372

約数の個数: 160

約数和(自身を含む): 2293353216

約数和(自身を除く): 1392061696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 256, 277, 310, 320, 328, 410, 496, 512, 554, 620, 640, 656, 820, 992, 1108, 1240, 1271, 1280, 1312, 1385, 1640, 1984, 2216, 2480, 2542, 2560, 2624, 2770, 3280, 3968, 4432, 4960, 5084, 5248, 5540, 6355, 6560, 7936, 8587, 8864, 9920, 10168, 10496, 11080, 11357, 12710, 13120, 15872, 17174, 17728, 19840, 20336, 20992, 22160, 22714, 25420, 26240, 34348, 35456, 39680, 40672, 42935, 44320, 45428, 50840, 52480, 56785, 68696, 70912, 79360, 81344, 85870, 88640, 90856, 101680, 104960, 113570, 137392, 141824, 162688, 171740, 177280, 181712, 203360, 227140, 274784, 325376, 343480, 352067, 354560, 363424, 406720, 454280, 549568, 650752, 686960, 704134, 709120, 726848, 813440, 908560, 1099136, 1373920, 1408268, 1453696, 1626880, 1760335, 1817120, 2198272, 2747840, 2816536, 2907392, 3253760, 3520670, 3634240, 4396544, 5495680, 5633072, 5814784, 7041340, 7268480, 10991360, 11266144, 14082680, 14536960, 21982720, 22532288, 28165360, 29073920, 45064576, 56330720, 90129152, 112661440, 180258304, 225322880, 450645760, 901291520]

約数ペア:

[(1, 901291520), (2, 450645760), (4, 225322880), (5, 180258304), (8, 112661440), (10, 90129152), (16, 56330720), (20, 45064576), (31, 29073920), (32, 28165360), (40, 22532288), (41, 21982720), (62, 14536960), (64, 14082680), (80, 11266144), (82, 10991360), (124, 7268480), (128, 7041340), (155, 5814784), (160, 5633072), (164, 5495680), (205, 4396544), (248, 3634240), (256, 3520670), (277, 3253760), (310, 2907392), (320, 2816536), (328, 2747840), (410, 2198272), (496, 1817120), (512, 1760335), (554, 1626880), (620, 1453696), (640, 1408268), (656, 1373920), (820, 1099136), (992, 908560), (1108, 813440), (1240, 726848), (1271, 709120), (1280, 704134), (1312, 686960), (1385, 650752), (1640, 549568), (1984, 454280), (2216, 406720), (2480, 363424), (2542, 354560), (2560, 352067), (2624, 343480), (2770, 325376), (3280, 274784), (3968, 227140), (4432, 203360), (4960, 181712), (5084, 177280), (5248, 171740), (5540, 162688), (6355, 141824), (6560, 137392), (7936, 113570), (8587, 104960), (8864, 101680), (9920, 90856), (10168, 88640), (10496, 85870), (11080, 81344), (11357, 79360), (12710, 70912), (13120, 68696), (15872, 56785), (17174, 52480), (17728, 50840), (19840, 45428), (20336, 44320), (20992, 42935), (22160, 40672), (22714, 39680), (25420, 35456), (26240, 34348)]