256932480

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{2731}}^1$

素因数の和:2767

約数の個数: 192

約数和(自身を含む): 953030880

約数和(自身を除く): 696098400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2688, 2731, 2940, 3136, 3360, 3920, 4480, 4704, 5462, 5880, 6272, 6720, 7840, 8193, 9408, 10924, 11760, 13440, 13655, 15680, 16386, 18816, 19117, 21848, 23520, 27310, 31360, 32772, 38234, 40965, 43696, 47040, 54620, 57351, 65544, 76468, 81930, 87392, 94080, 95585, 109240, 114702, 131088, 133819, 152936, 163860, 174784, 191170, 218480, 229404, 262176, 267638, 286755, 305872, 327720, 349568, 382340, 401457, 436960, 458808, 524352, 535276, 573510, 611744, 655440, 669095, 764680, 802914, 873920, 917616, 1048704, 1070552, 1147020, 1223488, 1310880, 1338190, 1529360, 1605828, 1747840, 1835232, 2007285, 2141104, 2294040, 2446976, 2621760, 2676380, 3058720, 3211656, 3670464, 4014570, 4282208, 4588080, 5243520, 5352760, 6117440, 6423312, 7340928, 8029140, 8564416, 9176160, 10705520, 12234880, 12846624, 16058280, 17128832, 18352320, 21411040, 25693248, 32116560, 36704640, 42822080, 51386496, 64233120, 85644160, 128466240, 256932480]

約数ペア:

[(1, 256932480), (2, 128466240), (3, 85644160), (4, 64233120), (5, 51386496), (6, 42822080), (7, 36704640), (8, 32116560), (10, 25693248), (12, 21411040), (14, 18352320), (15, 17128832), (16, 16058280), (20, 12846624), (21, 12234880), (24, 10705520), (28, 9176160), (30, 8564416), (32, 8029140), (35, 7340928), (40, 6423312), (42, 6117440), (48, 5352760), (49, 5243520), (56, 4588080), (60, 4282208), (64, 4014570), (70, 3670464), (80, 3211656), (84, 3058720), (96, 2676380), (98, 2621760), (105, 2446976), (112, 2294040), (120, 2141104), (128, 2007285), (140, 1835232), (147, 1747840), (160, 1605828), (168, 1529360), (192, 1338190), (196, 1310880), (210, 1223488), (224, 1147020), (240, 1070552), (245, 1048704), (280, 917616), (294, 873920), (320, 802914), (336, 764680), (384, 669095), (392, 655440), (420, 611744), (448, 573510), (480, 535276), (490, 524352), (560, 458808), (588, 436960), (640, 401457), (672, 382340), (735, 349568), (784, 327720), (840, 305872), (896, 286755), (960, 267638), (980, 262176), (1120, 229404), (1176, 218480), (1344, 191170), (1470, 174784), (1568, 163860), (1680, 152936), (1920, 133819), (1960, 131088), (2240, 114702), (2352, 109240), (2688, 95585), (2731, 94080), (2940, 87392), (3136, 81930), (3360, 76468), (3920, 65544), (4480, 57351), (4704, 54620), (5462, 47040), (5880, 43696), (6272, 40965), (6720, 38234), (7840, 32772), (8193, 31360), (9408, 27310), (10924, 23520), (11760, 21848), (13440, 19117), (13655, 18816), (15680, 16386)]