642655008

素因数分解:

$2^5\times 3^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:467

約数の個数: 144

約数和(自身を含む): 1877364216

約数和(自身を除く): 1234709208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 72, 96, 122, 144, 157, 183, 233, 244, 288, 314, 366, 466, 471, 488, 549, 628, 699, 732, 932, 942, 976, 1098, 1256, 1398, 1413, 1464, 1864, 1884, 1952, 2097, 2196, 2512, 2796, 2826, 2928, 3728, 3768, 4194, 4392, 5024, 5592, 5652, 5856, 7456, 7536, 8388, 8784, 9577, 11184, 11304, 14213, 15072, 16776, 17568, 19154, 22368, 22608, 28426, 28731, 33552, 36581, 38308, 42639, 45216, 56852, 57462, 67104, 73162, 76616, 85278, 86193, 109743, 113704, 114924, 127917, 146324, 153232, 170556, 172386, 219486, 227408, 229848, 255834, 292648, 306464, 329229, 341112, 344772, 438972, 454816, 459696, 511668, 585296, 658458, 682224, 689544, 877944, 919392, 1023336, 1170592, 1316916, 1364448, 1379088, 1755888, 2046672, 2231441, 2633832, 2758176, 3511776, 4093344, 4462882, 5267664, 6694323, 8925764, 10535328, 13388646, 17851528, 20082969, 26777292, 35703056, 40165938, 53554584, 71406112, 80331876, 107109168, 160663752, 214218336, 321327504, 642655008]

約数ペア:

[(1, 642655008), (2, 321327504), (3, 214218336), (4, 160663752), (6, 107109168), (8, 80331876), (9, 71406112), (12, 53554584), (16, 40165938), (18, 35703056), (24, 26777292), (32, 20082969), (36, 17851528), (48, 13388646), (61, 10535328), (72, 8925764), (96, 6694323), (122, 5267664), (144, 4462882), (157, 4093344), (183, 3511776), (233, 2758176), (244, 2633832), (288, 2231441), (314, 2046672), (366, 1755888), (466, 1379088), (471, 1364448), (488, 1316916), (549, 1170592), (628, 1023336), (699, 919392), (732, 877944), (932, 689544), (942, 682224), (976, 658458), (1098, 585296), (1256, 511668), (1398, 459696), (1413, 454816), (1464, 438972), (1864, 344772), (1884, 341112), (1952, 329229), (2097, 306464), (2196, 292648), (2512, 255834), (2796, 229848), (2826, 227408), (2928, 219486), (3728, 172386), (3768, 170556), (4194, 153232), (4392, 146324), (5024, 127917), (5592, 114924), (5652, 113704), (5856, 109743), (7456, 86193), (7536, 85278), (8388, 76616), (8784, 73162), (9577, 67104), (11184, 57462), (11304, 56852), (14213, 45216), (15072, 42639), (16776, 38308), (17568, 36581), (19154, 33552), (22368, 28731), (22608, 28426)]