281257152

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 224

約数和(自身を含む): 879774720

約数和(自身を除く): 598517568

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 43, 44, 48, 57, 64, 66, 76, 86, 88, 96, 114, 129, 132, 152, 163, 172, 176, 192, 209, 228, 258, 264, 304, 326, 344, 352, 418, 456, 473, 489, 516, 528, 608, 627, 652, 688, 704, 817, 836, 912, 946, 978, 1032, 1056, 1216, 1254, 1304, 1376, 1419, 1634, 1672, 1793, 1824, 1892, 1956, 2064, 2112, 2451, 2508, 2608, 2752, 2838, 3097, 3268, 3344, 3586, 3648, 3784, 3912, 4128, 4902, 5016, 5216, 5379, 5676, 6194, 6536, 6688, 7009, 7172, 7568, 7824, 8256, 8987, 9291, 9804, 10032, 10432, 10758, 11352, 12388, 13072, 13376, 14018, 14344, 15136, 15648, 17974, 18582, 19608, 20064, 21027, 21516, 22704, 24776, 26144, 26961, 28036, 28688, 30272, 31296, 34067, 35948, 37164, 39216, 40128, 42054, 43032, 45408, 49552, 52288, 53922, 56072, 57376, 68134, 71896, 74328, 77099, 78432, 84108, 86064, 90816, 99104, 102201, 107844, 112144, 114752, 133171, 136268, 143792, 148656, 154198, 156864, 168216, 172128, 198208, 204402, 215688, 224288, 231297, 266342, 272536, 287584, 297312, 308396, 336432, 344256, 399513, 408804, 431376, 448576, 462594, 532684, 545072, 575168, 594624, 616792, 672864, 799026, 817608, 862752, 925188, 1065368, 1090144, 1233584, 1345728, 1464881, 1598052, 1635216, 1725504, 1850376, 2130736, 2180288, 2467168, 2929762, 3196104, 3270432, 3700752, 4261472, 4394643, 4934336, 5859524, 6392208, 6540864, 7401504, 8522944, 8789286, 11719048, 12784416, 14803008, 17578572, 23438096, 25568832, 35157144, 46876192, 70314288, 93752384, 140628576, 281257152]

約数ペア:

[(1, 281257152), (2, 140628576), (3, 93752384), (4, 70314288), (6, 46876192), (8, 35157144), (11, 25568832), (12, 23438096), (16, 17578572), (19, 14803008), (22, 12784416), (24, 11719048), (32, 8789286), (33, 8522944), (38, 7401504), (43, 6540864), (44, 6392208), (48, 5859524), (57, 4934336), (64, 4394643), (66, 4261472), (76, 3700752), (86, 3270432), (88, 3196104), (96, 2929762), (114, 2467168), (129, 2180288), (132, 2130736), (152, 1850376), (163, 1725504), (172, 1635216), (176, 1598052), (192, 1464881), (209, 1345728), (228, 1233584), (258, 1090144), (264, 1065368), (304, 925188), (326, 862752), (344, 817608), (352, 799026), (418, 672864), (456, 616792), (473, 594624), (489, 575168), (516, 545072), (528, 532684), (608, 462594), (627, 448576), (652, 431376), (688, 408804), (704, 399513), (817, 344256), (836, 336432), (912, 308396), (946, 297312), (978, 287584), (1032, 272536), (1056, 266342), (1216, 231297), (1254, 224288), (1304, 215688), (1376, 204402), (1419, 198208), (1634, 172128), (1672, 168216), (1793, 156864), (1824, 154198), (1892, 148656), (1956, 143792), (2064, 136268), (2112, 133171), (2451, 114752), (2508, 112144), (2608, 107844), (2752, 102201), (2838, 99104), (3097, 90816), (3268, 86064), (3344, 84108), (3586, 78432), (3648, 77099), (3784, 74328), (3912, 71896), (4128, 68134), (4902, 57376), (5016, 56072), (5216, 53922), (5379, 52288), (5676, 49552), (6194, 45408), (6536, 43032), (6688, 42054), (7009, 40128), (7172, 39216), (7568, 37164), (7824, 35948), (8256, 34067), (8987, 31296), (9291, 30272), (9804, 28688), (10032, 28036), (10432, 26961), (10758, 26144), (11352, 24776), (12388, 22704), (13072, 21516), (13376, 21027), (14018, 20064), (14344, 19608), (15136, 18582), (15648, 17974)]