520661120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 256

約数和(自身を含む): 1541652480

約数和(自身を除く): 1020991360

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, 128, 140, 155, 160, 161, 163, 184, 217, 224, 230, 248, 280, 310, 320, 322, 326, 368, 434, 448, 460, 496, 560, 620, 640, 644, 652, 713, 736, 805, 815, 868, 896, 920, 992, 1085, 1120, 1141, 1240, 1288, 1304, 1426, 1472, 1610, 1630, 1736, 1840, 1984, 2170, 2240, 2282, 2480, 2576, 2608, 2852, 2944, 3220, 3260, 3472, 3565, 3680, 3749, 3968, 4340, 4480, 4564, 4960, 4991, 5053, 5152, 5216, 5704, 5705, 6440, 6520, 6944, 7130, 7360, 7498, 8680, 9128, 9920, 9982, 10106, 10304, 10432, 11408, 11410, 12880, 13040, 13888, 14260, 14720, 14996, 17360, 18256, 18745, 19840, 19964, 20212, 20608, 20864, 22816, 22820, 24955, 25265, 25760, 26080, 26243, 27776, 28520, 29992, 34720, 35371, 36512, 37490, 39928, 40424, 45632, 45640, 49910, 50530, 51520, 52160, 52486, 57040, 59984, 69440, 70742, 73024, 74980, 79856, 80848, 91264, 91280, 99820, 101060, 103040, 104320, 104972, 114080, 116219, 119968, 131215, 138880, 141484, 146048, 149960, 159712, 161696, 176855, 182560, 199640, 202120, 209944, 228160, 232438, 239936, 262430, 282968, 299920, 319424, 323392, 353710, 365120, 399280, 404240, 419888, 456320, 464876, 479872, 524860, 565936, 581095, 599840, 638848, 646784, 707420, 730240, 798560, 808480, 813533, 839776, 929752, 1049720, 1131872, 1162190, 1199680, 1414840, 1597120, 1616960, 1627066, 1679552, 1859504, 2099440, 2263744, 2324380, 2399360, 2829680, 3194240, 3233920, 3254132, 3359104, 3719008, 4067665, 4198880, 4527488, 4648760, 5659360, 6508264, 7438016, 8135330, 8397760, 9297520, 11318720, 13016528, 14876032, 16270660, 16795520, 18595040, 22637440, 26033056, 32541320, 37190080, 52066112, 65082640, 74380160, 104132224, 130165280, 260330560, 520661120]

約数ペア:

[(1, 520661120), (2, 260330560), (4, 130165280), (5, 104132224), (7, 74380160), (8, 65082640), (10, 52066112), (14, 37190080), (16, 32541320), (20, 26033056), (23, 22637440), (28, 18595040), (31, 16795520), (32, 16270660), (35, 14876032), (40, 13016528), (46, 11318720), (56, 9297520), (62, 8397760), (64, 8135330), (70, 7438016), (80, 6508264), (92, 5659360), (112, 4648760), (115, 4527488), (124, 4198880), (128, 4067665), (140, 3719008), (155, 3359104), (160, 3254132), (161, 3233920), (163, 3194240), (184, 2829680), (217, 2399360), (224, 2324380), (230, 2263744), (248, 2099440), (280, 1859504), (310, 1679552), (320, 1627066), (322, 1616960), (326, 1597120), (368, 1414840), (434, 1199680), (448, 1162190), (460, 1131872), (496, 1049720), (560, 929752), (620, 839776), (640, 813533), (644, 808480), (652, 798560), (713, 730240), (736, 707420), (805, 646784), (815, 638848), (868, 599840), (896, 581095), (920, 565936), (992, 524860), (1085, 479872), (1120, 464876), (1141, 456320), (1240, 419888), (1288, 404240), (1304, 399280), (1426, 365120), (1472, 353710), (1610, 323392), (1630, 319424), (1736, 299920), (1840, 282968), (1984, 262430), (2170, 239936), (2240, 232438), (2282, 228160), (2480, 209944), (2576, 202120), (2608, 199640), (2852, 182560), (2944, 176855), (3220, 161696), (3260, 159712), (3472, 149960), (3565, 146048), (3680, 141484), (3749, 138880), (3968, 131215), (4340, 119968), (4480, 116219), (4564, 114080), (4960, 104972), (4991, 104320), (5053, 103040), (5152, 101060), (5216, 99820), (5704, 91280), (5705, 91264), (6440, 80848), (6520, 79856), (6944, 74980), (7130, 73024), (7360, 70742), (7498, 69440), (8680, 59984), (9128, 57040), (9920, 52486), (9982, 52160), (10106, 51520), (10304, 50530), (10432, 49910), (11408, 45640), (11410, 45632), (12880, 40424), (13040, 39928), (13888, 37490), (14260, 36512), (14720, 35371), (14996, 34720), (17360, 29992), (18256, 28520), (18745, 27776), (19840, 26243), (19964, 26080), (20212, 25760), (20608, 25265), (20864, 24955), (22816, 22820)]