261400320

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22691}}^1$

素因数の和:22718

約数の個数: 108

約数和(自身を含む): 904457736

約数和(自身を除く): 643057416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 22691, 45382, 68073, 90764, 113455, 136146, 181528, 204219, 226910, 272292, 340365, 363056, 408438, 453820, 544584, 680730, 726112, 816876, 907640, 1021095, 1089168, 1361460, 1452224, 1633752, 1815280, 2042190, 2178336, 2722920, 2904448, 3267504, 3630560, 4084380, 4356672, 5445840, 5808896, 6535008, 7261120, 8168760, 8713344, 10891680, 13070016, 14522240, 16337520, 17426688, 21783360, 26140032, 29044480, 32675040, 43566720, 52280064, 65350080, 87133440, 130700160, 261400320]

約数ペア:

[(1, 261400320), (2, 130700160), (3, 87133440), (4, 65350080), (5, 52280064), (6, 43566720), (8, 32675040), (9, 29044480), (10, 26140032), (12, 21783360), (15, 17426688), (16, 16337520), (18, 14522240), (20, 13070016), (24, 10891680), (30, 8713344), (32, 8168760), (36, 7261120), (40, 6535008), (45, 5808896), (48, 5445840), (60, 4356672), (64, 4084380), (72, 3630560), (80, 3267504), (90, 2904448), (96, 2722920), (120, 2178336), (128, 2042190), (144, 1815280), (160, 1633752), (180, 1452224), (192, 1361460), (240, 1089168), (256, 1021095), (288, 907640), (320, 816876), (360, 726112), (384, 680730), (480, 544584), (576, 453820), (640, 408438), (720, 363056), (768, 340365), (960, 272292), (1152, 226910), (1280, 204219), (1440, 181528), (1920, 136146), (2304, 113455), (2880, 90764), (3840, 68073), (5760, 45382), (11520, 22691)]