254756280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{383}}^1$

素因数の和:661

約数の個数: 128

約数和(自身を含む): 802897920

約数和(自身を除く): 548141640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 241, 276, 345, 383, 460, 482, 552, 690, 723, 766, 920, 964, 1149, 1205, 1380, 1446, 1532, 1915, 1928, 2298, 2410, 2760, 2892, 3064, 3615, 3830, 4596, 4820, 5543, 5745, 5784, 7230, 7660, 8809, 9192, 9640, 11086, 11490, 14460, 15320, 16629, 17618, 22172, 22980, 26427, 27715, 28920, 33258, 35236, 44045, 44344, 45960, 52854, 55430, 66516, 70472, 83145, 88090, 92303, 105708, 110860, 132135, 133032, 166290, 176180, 184606, 211416, 221720, 264270, 276909, 332580, 352360, 369212, 461515, 528540, 553818, 665160, 738424, 923030, 1057080, 1107636, 1384545, 1846060, 2122969, 2215272, 2769090, 3692120, 4245938, 5538180, 6368907, 8491876, 10614845, 11076360, 12737814, 16983752, 21229690, 25475628, 31844535, 42459380, 50951256, 63689070, 84918760, 127378140, 254756280]

約数ペア:

[(1, 254756280), (2, 127378140), (3, 84918760), (4, 63689070), (5, 50951256), (6, 42459380), (8, 31844535), (10, 25475628), (12, 21229690), (15, 16983752), (20, 12737814), (23, 11076360), (24, 10614845), (30, 8491876), (40, 6368907), (46, 5538180), (60, 4245938), (69, 3692120), (92, 2769090), (115, 2215272), (120, 2122969), (138, 1846060), (184, 1384545), (230, 1107636), (241, 1057080), (276, 923030), (345, 738424), (383, 665160), (460, 553818), (482, 528540), (552, 461515), (690, 369212), (723, 352360), (766, 332580), (920, 276909), (964, 264270), (1149, 221720), (1205, 211416), (1380, 184606), (1446, 176180), (1532, 166290), (1915, 133032), (1928, 132135), (2298, 110860), (2410, 105708), (2760, 92303), (2892, 88090), (3064, 83145), (3615, 70472), (3830, 66516), (4596, 55430), (4820, 52854), (5543, 45960), (5745, 44344), (5784, 44045), (7230, 35236), (7660, 33258), (8809, 28920), (9192, 27715), (9640, 26427), (11086, 22980), (11490, 22172), (14460, 17618), (15320, 16629)]