1321502720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:262

約数の個数: 192

約数和(自身を含む): 3434296320

約数和(自身を除く): 2112793600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 181, 184, 230, 248, 256, 310, 320, 362, 368, 460, 496, 512, 620, 640, 713, 724, 736, 905, 920, 992, 1024, 1240, 1280, 1426, 1448, 1472, 1810, 1840, 1984, 2048, 2480, 2560, 2852, 2896, 2944, 3565, 3620, 3680, 3968, 4163, 4960, 5120, 5611, 5704, 5792, 5888, 7130, 7240, 7360, 7936, 8326, 9920, 10240, 11222, 11408, 11584, 11776, 14260, 14480, 14720, 15872, 16652, 19840, 20815, 22444, 22816, 23168, 23552, 28055, 28520, 28960, 29440, 31744, 33304, 39680, 41630, 44888, 45632, 46336, 47104, 56110, 57040, 57920, 58880, 63488, 66608, 79360, 83260, 89776, 91264, 92672, 112220, 114080, 115840, 117760, 129053, 133216, 158720, 166520, 179552, 182528, 185344, 224440, 228160, 231680, 235520, 258106, 266432, 317440, 333040, 359104, 365056, 370688, 448880, 456320, 463360, 516212, 532864, 645265, 666080, 718208, 730112, 897760, 912640, 926720, 1032424, 1065728, 1290530, 1332160, 1436416, 1460224, 1795520, 1825280, 1853440, 2064848, 2131456, 2581060, 2664320, 2872832, 3591040, 3650560, 4129696, 4262912, 5162120, 5328640, 5745664, 7182080, 7301120, 8259392, 8525824, 10324240, 10657280, 11491328, 14364160, 16518784, 20648480, 21314560, 28728320, 33037568, 41296960, 42629120, 57456640, 66075136, 82593920, 132150272, 165187840, 264300544, 330375680, 660751360, 1321502720]

約数ペア:

[(1, 1321502720), (2, 660751360), (4, 330375680), (5, 264300544), (8, 165187840), (10, 132150272), (16, 82593920), (20, 66075136), (23, 57456640), (31, 42629120), (32, 41296960), (40, 33037568), (46, 28728320), (62, 21314560), (64, 20648480), (80, 16518784), (92, 14364160), (115, 11491328), (124, 10657280), (128, 10324240), (155, 8525824), (160, 8259392), (181, 7301120), (184, 7182080), (230, 5745664), (248, 5328640), (256, 5162120), (310, 4262912), (320, 4129696), (362, 3650560), (368, 3591040), (460, 2872832), (496, 2664320), (512, 2581060), (620, 2131456), (640, 2064848), (713, 1853440), (724, 1825280), (736, 1795520), (905, 1460224), (920, 1436416), (992, 1332160), (1024, 1290530), (1240, 1065728), (1280, 1032424), (1426, 926720), (1448, 912640), (1472, 897760), (1810, 730112), (1840, 718208), (1984, 666080), (2048, 645265), (2480, 532864), (2560, 516212), (2852, 463360), (2896, 456320), (2944, 448880), (3565, 370688), (3620, 365056), (3680, 359104), (3968, 333040), (4163, 317440), (4960, 266432), (5120, 258106), (5611, 235520), (5704, 231680), (5792, 228160), (5888, 224440), (7130, 185344), (7240, 182528), (7360, 179552), (7936, 166520), (8326, 158720), (9920, 133216), (10240, 129053), (11222, 117760), (11408, 115840), (11584, 114080), (11776, 112220), (14260, 92672), (14480, 91264), (14720, 89776), (15872, 83260), (16652, 79360), (19840, 66608), (20815, 63488), (22444, 58880), (22816, 57920), (23168, 57040), (23552, 56110), (28055, 47104), (28520, 46336), (28960, 45632), (29440, 44888), (31744, 41630), (33304, 39680)]