306821120

素因数分解:

$2^{11}\times 5^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 786338280

約数和(自身を除く): 479517160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 83, 95, 128, 152, 160, 166, 190, 256, 304, 320, 332, 361, 380, 415, 512, 608, 640, 664, 722, 760, 830, 1024, 1216, 1280, 1328, 1444, 1520, 1577, 1660, 1805, 2048, 2432, 2560, 2656, 2888, 3040, 3154, 3320, 3610, 4864, 5120, 5312, 5776, 6080, 6308, 6640, 7220, 7885, 9728, 10240, 10624, 11552, 12160, 12616, 13280, 14440, 15770, 19456, 21248, 23104, 24320, 25232, 26560, 28880, 29963, 31540, 38912, 42496, 46208, 48640, 50464, 53120, 57760, 59926, 63080, 84992, 92416, 97280, 100928, 106240, 115520, 119852, 126160, 149815, 169984, 184832, 194560, 201856, 212480, 231040, 239704, 252320, 299630, 369664, 403712, 424960, 462080, 479408, 504640, 599260, 739328, 807424, 849920, 924160, 958816, 1009280, 1198520, 1614848, 1848320, 1917632, 2018560, 2397040, 3229696, 3696640, 3835264, 4037120, 4794080, 7670528, 8074240, 9588160, 15341056, 16148480, 19176320, 30682112, 38352640, 61364224, 76705280, 153410560, 306821120]

約数ペア:

[(1, 306821120), (2, 153410560), (4, 76705280), (5, 61364224), (8, 38352640), (10, 30682112), (16, 19176320), (19, 16148480), (20, 15341056), (32, 9588160), (38, 8074240), (40, 7670528), (64, 4794080), (76, 4037120), (80, 3835264), (83, 3696640), (95, 3229696), (128, 2397040), (152, 2018560), (160, 1917632), (166, 1848320), (190, 1614848), (256, 1198520), (304, 1009280), (320, 958816), (332, 924160), (361, 849920), (380, 807424), (415, 739328), (512, 599260), (608, 504640), (640, 479408), (664, 462080), (722, 424960), (760, 403712), (830, 369664), (1024, 299630), (1216, 252320), (1280, 239704), (1328, 231040), (1444, 212480), (1520, 201856), (1577, 194560), (1660, 184832), (1805, 169984), (2048, 149815), (2432, 126160), (2560, 119852), (2656, 115520), (2888, 106240), (3040, 100928), (3154, 97280), (3320, 92416), (3610, 84992), (4864, 63080), (5120, 59926), (5312, 57760), (5776, 53120), (6080, 50464), (6308, 48640), (6640, 46208), (7220, 42496), (7885, 38912), (9728, 31540), (10240, 29963), (10624, 28880), (11552, 26560), (12160, 25232), (12616, 24320), (13280, 23104), (14440, 21248), (15770, 19456)]