280978176

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{21521}}^1$

素因数の和:21557

約数の個数: 72

約数和(自身を含む): 791837424

約数和(自身を除く): 510859248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 544, 768, 816, 1088, 1632, 2176, 3264, 4352, 6528, 13056, 21521, 43042, 64563, 86084, 129126, 172168, 258252, 344336, 365857, 516504, 688672, 731714, 1033008, 1097571, 1377344, 1463428, 2066016, 2195142, 2754688, 2926856, 4132032, 4390284, 5509376, 5853712, 8264064, 8780568, 11707424, 16528128, 17561136, 23414848, 35122272, 46829696, 70244544, 93659392, 140489088, 280978176]

約数ペア:

[(1, 280978176), (2, 140489088), (3, 93659392), (4, 70244544), (6, 46829696), (8, 35122272), (12, 23414848), (16, 17561136), (17, 16528128), (24, 11707424), (32, 8780568), (34, 8264064), (48, 5853712), (51, 5509376), (64, 4390284), (68, 4132032), (96, 2926856), (102, 2754688), (128, 2195142), (136, 2066016), (192, 1463428), (204, 1377344), (256, 1097571), (272, 1033008), (384, 731714), (408, 688672), (544, 516504), (768, 365857), (816, 344336), (1088, 258252), (1632, 172168), (2176, 129126), (3264, 86084), (4352, 64563), (6528, 43042), (13056, 21521)]