19964280960

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20509}}^1$

素因数の和:20560

約数の個数: 288

約数和(自身を含む): 74653733700

約数和(自身を除く): 54689452740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 169, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 338, 360, 384, 390, 416, 468, 480, 507, 520, 576, 585, 624, 640, 676, 720, 780, 832, 845, 936, 960, 1014, 1040, 1152, 1170, 1248, 1352, 1440, 1521, 1560, 1664, 1690, 1872, 1920, 2028, 2080, 2340, 2496, 2535, 2704, 2880, 3042, 3120, 3380, 3744, 4056, 4160, 4680, 4992, 5070, 5408, 5760, 6084, 6240, 6760, 7488, 7605, 8112, 8320, 9360, 10140, 10816, 12168, 12480, 13520, 14976, 15210, 16224, 18720, 20280, 20509, 21632, 24336, 24960, 27040, 30420, 32448, 37440, 40560, 41018, 48672, 54080, 60840, 61527, 64896, 74880, 81120, 82036, 97344, 102545, 108160, 121680, 123054, 162240, 164072, 184581, 194688, 205090, 243360, 246108, 266617, 307635, 324480, 328144, 369162, 410180, 486720, 492216, 533234, 615270, 656288, 738324, 799851, 820360, 922905, 973440, 984432, 1066468, 1230540, 1312576, 1333085, 1476648, 1599702, 1640720, 1845810, 1968864, 2132936, 2399553, 2461080, 2625152, 2666170, 2953296, 3199404, 3281440, 3466021, 3691620, 3937728, 3999255, 4265872, 4799106, 4922160, 5332340, 5906592, 6398808, 6562880, 6932042, 7383240, 7875456, 7998510, 8531744, 9598212, 9844320, 10398063, 10664680, 11813184, 11997765, 12797616, 13125760, 13864084, 14766480, 15997020, 17063488, 17330105, 19196424, 19688640, 20796126, 21329360, 23626368, 23995530, 25595232, 27728168, 29532960, 31194189, 31994040, 34126976, 34660210, 38392848, 39377280, 41592252, 42658720, 47991060, 51190464, 51990315, 55456336, 59065920, 62388378, 63988080, 69320420, 76785696, 83184504, 85317440, 95982120, 102380928, 103980630, 110912672, 118131840, 124776756, 127976160, 138640840, 153571392, 155970945, 166369008, 170634880, 191964240, 207961260, 221825344, 249553512, 255952320, 277281680, 307142784, 311941890, 332738016, 383928480, 415922520, 443650688, 499107024, 511904640, 554563360, 623883780, 665476032, 767856960, 831845040, 998214048, 1109126720, 1247767560, 1330952064, 1535713920, 1663690080, 1996428096, 2218253440, 2495535120, 3327380160, 3992856192, 4991070240, 6654760320, 9982140480, 19964280960]

約数ペア:

[(1, 19964280960), (2, 9982140480), (3, 6654760320), (4, 4991070240), (5, 3992856192), (6, 3327380160), (8, 2495535120), (9, 2218253440), (10, 1996428096), (12, 1663690080), (13, 1535713920), (15, 1330952064), (16, 1247767560), (18, 1109126720), (20, 998214048), (24, 831845040), (26, 767856960), (30, 665476032), (32, 623883780), (36, 554563360), (39, 511904640), (40, 499107024), (45, 443650688), (48, 415922520), (52, 383928480), (60, 332738016), (64, 311941890), (65, 307142784), (72, 277281680), (78, 255952320), (80, 249553512), (90, 221825344), (96, 207961260), (104, 191964240), (117, 170634880), (120, 166369008), (128, 155970945), (130, 153571392), (144, 138640840), (156, 127976160), (160, 124776756), (169, 118131840), (180, 110912672), (192, 103980630), (195, 102380928), (208, 95982120), (234, 85317440), (240, 83184504), (260, 76785696), (288, 69320420), (312, 63988080), (320, 62388378), (338, 59065920), (360, 55456336), (384, 51990315), (390, 51190464), (416, 47991060), (468, 42658720), (480, 41592252), (507, 39377280), (520, 38392848), (576, 34660210), (585, 34126976), (624, 31994040), (640, 31194189), (676, 29532960), (720, 27728168), (780, 25595232), (832, 23995530), (845, 23626368), (936, 21329360), (960, 20796126), (1014, 19688640), (1040, 19196424), (1152, 17330105), (1170, 17063488), (1248, 15997020), (1352, 14766480), (1440, 13864084), (1521, 13125760), (1560, 12797616), (1664, 11997765), (1690, 11813184), (1872, 10664680), (1920, 10398063), (2028, 9844320), (2080, 9598212), (2340, 8531744), (2496, 7998510), (2535, 7875456), (2704, 7383240), (2880, 6932042), (3042, 6562880), (3120, 6398808), (3380, 5906592), (3744, 5332340), (4056, 4922160), (4160, 4799106), (4680, 4265872), (4992, 3999255), (5070, 3937728), (5408, 3691620), (5760, 3466021), (6084, 3281440), (6240, 3199404), (6760, 2953296), (7488, 2666170), (7605, 2625152), (8112, 2461080), (8320, 2399553), (9360, 2132936), (10140, 1968864), (10816, 1845810), (12168, 1640720), (12480, 1599702), (13520, 1476648), (14976, 1333085), (15210, 1312576), (16224, 1230540), (18720, 1066468), (20280, 984432), (20509, 973440), (21632, 922905), (24336, 820360), (24960, 799851), (27040, 738324), (30420, 656288), (32448, 615270), (37440, 533234), (40560, 492216), (41018, 486720), (48672, 410180), (54080, 369162), (60840, 328144), (61527, 324480), (64896, 307635), (74880, 266617), (81120, 246108), (82036, 243360), (97344, 205090), (102545, 194688), (108160, 184581), (121680, 164072), (123054, 162240)]