216781440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4909}}^1$

素因数の和:4954

約数の個数: 128

約数和(自身を含む): 721180800

約数和(自身を除く): 504399360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 1920, 2208, 2760, 2944, 3680, 4416, 4909, 5520, 7360, 8832, 9818, 11040, 14720, 14727, 19636, 22080, 24545, 29454, 39272, 44160, 49090, 58908, 73635, 78544, 98180, 112907, 117816, 147270, 157088, 196360, 225814, 235632, 294540, 314176, 338721, 392720, 451628, 471264, 564535, 589080, 628352, 677442, 785440, 903256, 942528, 1129070, 1178160, 1354884, 1570880, 1693605, 1806512, 1885056, 2258140, 2356320, 2709768, 3141760, 3387210, 3613024, 4516280, 4712640, 5419536, 6774420, 7226048, 9032560, 9425280, 10839072, 13548840, 14452096, 18065120, 21678144, 27097680, 36130240, 43356288, 54195360, 72260480, 108390720, 216781440]

約数ペア:

[(1, 216781440), (2, 108390720), (3, 72260480), (4, 54195360), (5, 43356288), (6, 36130240), (8, 27097680), (10, 21678144), (12, 18065120), (15, 14452096), (16, 13548840), (20, 10839072), (23, 9425280), (24, 9032560), (30, 7226048), (32, 6774420), (40, 5419536), (46, 4712640), (48, 4516280), (60, 3613024), (64, 3387210), (69, 3141760), (80, 2709768), (92, 2356320), (96, 2258140), (115, 1885056), (120, 1806512), (128, 1693605), (138, 1570880), (160, 1354884), (184, 1178160), (192, 1129070), (230, 942528), (240, 903256), (276, 785440), (320, 677442), (345, 628352), (368, 589080), (384, 564535), (460, 471264), (480, 451628), (552, 392720), (640, 338721), (690, 314176), (736, 294540), (920, 235632), (960, 225814), (1104, 196360), (1380, 157088), (1472, 147270), (1840, 117816), (1920, 112907), (2208, 98180), (2760, 78544), (2944, 73635), (3680, 58908), (4416, 49090), (4909, 44160), (5520, 39272), (7360, 29454), (8832, 24545), (9818, 22080), (11040, 19636), (14720, 14727)]