405668480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 256

約数和(自身を含む): 1203240960

約数和(自身を除く): 797572480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 64, 70, 80, 92, 112, 115, 124, 127, 128, 140, 155, 160, 161, 184, 217, 224, 230, 248, 254, 280, 310, 320, 322, 368, 434, 448, 460, 496, 508, 560, 620, 635, 640, 644, 713, 736, 805, 868, 889, 896, 920, 992, 1016, 1085, 1120, 1240, 1270, 1288, 1426, 1472, 1610, 1736, 1778, 1840, 1984, 2032, 2170, 2240, 2480, 2540, 2576, 2852, 2921, 2944, 3220, 3472, 3556, 3565, 3680, 3937, 3968, 4064, 4340, 4445, 4480, 4960, 4991, 5080, 5152, 5704, 5842, 6440, 6944, 7112, 7130, 7360, 7874, 8128, 8680, 8890, 9920, 9982, 10160, 10304, 11408, 11684, 12880, 13888, 14224, 14260, 14605, 14720, 15748, 16256, 17360, 17780, 19685, 19840, 19964, 20320, 20447, 20608, 22816, 23368, 24955, 25760, 27559, 27776, 28448, 28520, 29210, 31496, 34720, 35560, 39370, 39928, 40640, 40894, 45632, 46736, 49910, 51520, 55118, 56896, 57040, 58420, 62992, 69440, 71120, 78740, 79856, 81280, 81788, 90551, 91264, 93472, 99820, 102235, 103040, 110236, 113792, 114080, 116840, 125984, 137795, 138880, 142240, 157480, 159712, 163576, 181102, 186944, 199640, 204470, 220472, 228160, 233680, 251968, 275590, 284480, 314960, 319424, 327152, 362204, 373888, 399280, 408940, 440944, 452755, 456320, 467360, 503936, 551180, 568960, 629920, 633857, 638848, 654304, 724408, 798560, 817880, 881888, 905510, 934720, 1102360, 1259840, 1267714, 1308608, 1448816, 1597120, 1635760, 1763776, 1811020, 1869440, 2204720, 2519680, 2535428, 2617216, 2897632, 3169285, 3194240, 3271520, 3527552, 3622040, 4409440, 5070856, 5795264, 6338570, 6543040, 7244080, 8818880, 10141712, 11590528, 12677140, 13086080, 14488160, 17637760, 20283424, 25354280, 28976320, 40566848, 50708560, 57952640, 81133696, 101417120, 202834240, 405668480]

約数ペア:

[(1, 405668480), (2, 202834240), (4, 101417120), (5, 81133696), (7, 57952640), (8, 50708560), (10, 40566848), (14, 28976320), (16, 25354280), (20, 20283424), (23, 17637760), (28, 14488160), (31, 13086080), (32, 12677140), (35, 11590528), (40, 10141712), (46, 8818880), (56, 7244080), (62, 6543040), (64, 6338570), (70, 5795264), (80, 5070856), (92, 4409440), (112, 3622040), (115, 3527552), (124, 3271520), (127, 3194240), (128, 3169285), (140, 2897632), (155, 2617216), (160, 2535428), (161, 2519680), (184, 2204720), (217, 1869440), (224, 1811020), (230, 1763776), (248, 1635760), (254, 1597120), (280, 1448816), (310, 1308608), (320, 1267714), (322, 1259840), (368, 1102360), (434, 934720), (448, 905510), (460, 881888), (496, 817880), (508, 798560), (560, 724408), (620, 654304), (635, 638848), (640, 633857), (644, 629920), (713, 568960), (736, 551180), (805, 503936), (868, 467360), (889, 456320), (896, 452755), (920, 440944), (992, 408940), (1016, 399280), (1085, 373888), (1120, 362204), (1240, 327152), (1270, 319424), (1288, 314960), (1426, 284480), (1472, 275590), (1610, 251968), (1736, 233680), (1778, 228160), (1840, 220472), (1984, 204470), (2032, 199640), (2170, 186944), (2240, 181102), (2480, 163576), (2540, 159712), (2576, 157480), (2852, 142240), (2921, 138880), (2944, 137795), (3220, 125984), (3472, 116840), (3556, 114080), (3565, 113792), (3680, 110236), (3937, 103040), (3968, 102235), (4064, 99820), (4340, 93472), (4445, 91264), (4480, 90551), (4960, 81788), (4991, 81280), (5080, 79856), (5152, 78740), (5704, 71120), (5842, 69440), (6440, 62992), (6944, 58420), (7112, 57040), (7130, 56896), (7360, 55118), (7874, 51520), (8128, 49910), (8680, 46736), (8890, 45632), (9920, 40894), (9982, 40640), (10160, 39928), (10304, 39370), (11408, 35560), (11684, 34720), (12880, 31496), (13888, 29210), (14224, 28520), (14260, 28448), (14605, 27776), (14720, 27559), (15748, 25760), (16256, 24955), (17360, 23368), (17780, 22816), (19685, 20608), (19840, 20447), (19964, 20320)]