247352560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:651

約数の個数: 160

約数和(自身を含む): 720703872

約数和(自身を除く): 473351312

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 80, 91, 104, 112, 122, 130, 140, 182, 208, 244, 260, 280, 305, 364, 427, 455, 488, 520, 557, 560, 610, 728, 793, 854, 910, 976, 1040, 1114, 1220, 1456, 1586, 1708, 1820, 2135, 2228, 2440, 2785, 3172, 3416, 3640, 3899, 3965, 4270, 4456, 4880, 5551, 5570, 6344, 6832, 7241, 7280, 7798, 7930, 8540, 8912, 11102, 11140, 12688, 14482, 15596, 15860, 17080, 19495, 22204, 22280, 27755, 28964, 31192, 31720, 33977, 34160, 36205, 38990, 44408, 44560, 50687, 55510, 57928, 62384, 63440, 67954, 72410, 77980, 88816, 101374, 111020, 115856, 135908, 144820, 155960, 169885, 202748, 222040, 237839, 253435, 271816, 289640, 311920, 339770, 405496, 441701, 444080, 475678, 506870, 543632, 579280, 679540, 810992, 883402, 951356, 1013740, 1189195, 1359080, 1766804, 1902712, 2027480, 2208505, 2378390, 2718160, 3091907, 3533608, 3805424, 4054960, 4417010, 4756780, 6183814, 7067216, 8834020, 9513560, 12367628, 15459535, 17668040, 19027120, 24735256, 30919070, 35336080, 49470512, 61838140, 123676280, 247352560]

約数ペア:

[(1, 247352560), (2, 123676280), (4, 61838140), (5, 49470512), (7, 35336080), (8, 30919070), (10, 24735256), (13, 19027120), (14, 17668040), (16, 15459535), (20, 12367628), (26, 9513560), (28, 8834020), (35, 7067216), (40, 6183814), (52, 4756780), (56, 4417010), (61, 4054960), (65, 3805424), (70, 3533608), (80, 3091907), (91, 2718160), (104, 2378390), (112, 2208505), (122, 2027480), (130, 1902712), (140, 1766804), (182, 1359080), (208, 1189195), (244, 1013740), (260, 951356), (280, 883402), (305, 810992), (364, 679540), (427, 579280), (455, 543632), (488, 506870), (520, 475678), (557, 444080), (560, 441701), (610, 405496), (728, 339770), (793, 311920), (854, 289640), (910, 271816), (976, 253435), (1040, 237839), (1114, 222040), (1220, 202748), (1456, 169885), (1586, 155960), (1708, 144820), (1820, 135908), (2135, 115856), (2228, 111020), (2440, 101374), (2785, 88816), (3172, 77980), (3416, 72410), (3640, 67954), (3899, 63440), (3965, 62384), (4270, 57928), (4456, 55510), (4880, 50687), (5551, 44560), (5570, 44408), (6344, 38990), (6832, 36205), (7241, 34160), (7280, 33977), (7798, 31720), (7930, 31192), (8540, 28964), (8912, 27755), (11102, 22280), (11140, 22204), (12688, 19495), (14482, 17080), (15596, 15860)]