421659520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:504

約数の個数: 128

約数和(自身を含む): 1062823680

約数和(自身を除く): 641164160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 128, 155, 160, 212, 248, 265, 310, 320, 401, 424, 496, 530, 620, 640, 802, 848, 992, 1060, 1240, 1604, 1643, 1696, 1984, 2005, 2120, 2480, 3208, 3286, 3392, 3968, 4010, 4240, 4960, 6416, 6572, 6784, 8020, 8215, 8480, 9920, 12431, 12832, 13144, 16040, 16430, 16960, 19840, 21253, 24862, 25664, 26288, 32080, 32860, 33920, 42506, 49724, 51328, 52576, 62155, 64160, 65720, 85012, 99448, 105152, 106265, 124310, 128320, 131440, 170024, 198896, 210304, 212530, 248620, 256640, 262880, 340048, 397792, 425060, 497240, 525760, 658843, 680096, 795584, 850120, 994480, 1051520, 1317686, 1360192, 1591168, 1700240, 1988960, 2635372, 2720384, 3294215, 3400480, 3977920, 5270744, 6588430, 6800960, 7955840, 10541488, 13176860, 13601920, 21082976, 26353720, 42165952, 52707440, 84331904, 105414880, 210829760, 421659520]

約数ペア:

[(1, 421659520), (2, 210829760), (4, 105414880), (5, 84331904), (8, 52707440), (10, 42165952), (16, 26353720), (20, 21082976), (31, 13601920), (32, 13176860), (40, 10541488), (53, 7955840), (62, 6800960), (64, 6588430), (80, 5270744), (106, 3977920), (124, 3400480), (128, 3294215), (155, 2720384), (160, 2635372), (212, 1988960), (248, 1700240), (265, 1591168), (310, 1360192), (320, 1317686), (401, 1051520), (424, 994480), (496, 850120), (530, 795584), (620, 680096), (640, 658843), (802, 525760), (848, 497240), (992, 425060), (1060, 397792), (1240, 340048), (1604, 262880), (1643, 256640), (1696, 248620), (1984, 212530), (2005, 210304), (2120, 198896), (2480, 170024), (3208, 131440), (3286, 128320), (3392, 124310), (3968, 106265), (4010, 105152), (4240, 99448), (4960, 85012), (6416, 65720), (6572, 64160), (6784, 62155), (8020, 52576), (8215, 51328), (8480, 49724), (9920, 42506), (12431, 33920), (12832, 32860), (13144, 32080), (16040, 26288), (16430, 25664), (16960, 24862), (19840, 21253)]