31215360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1$

素因数の和:774

約数の個数: 144

約数和(自身を含む): 108904320

約数和(自身を除く): 77688960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 739, 768, 880, 960, 1056, 1280, 1320, 1408, 1478, 1760, 1920, 2112, 2217, 2640, 2816, 2956, 3520, 3695, 3840, 4224, 4434, 5280, 5912, 7040, 7390, 8129, 8448, 8868, 10560, 11085, 11824, 14080, 14780, 16258, 17736, 21120, 22170, 23648, 24387, 29560, 32516, 35472, 40645, 42240, 44340, 47296, 48774, 59120, 65032, 70944, 81290, 88680, 94592, 97548, 118240, 121935, 130064, 141888, 162580, 177360, 189184, 195096, 236480, 243870, 260128, 283776, 325160, 354720, 390192, 472960, 487740, 520256, 567552, 650320, 709440, 780384, 945920, 975480, 1040512, 1300640, 1418880, 1560768, 1950960, 2081024, 2601280, 2837760, 3121536, 3901920, 5202560, 6243072, 7803840, 10405120, 15607680, 31215360]

約数ペア:

[(1, 31215360), (2, 15607680), (3, 10405120), (4, 7803840), (5, 6243072), (6, 5202560), (8, 3901920), (10, 3121536), (11, 2837760), (12, 2601280), (15, 2081024), (16, 1950960), (20, 1560768), (22, 1418880), (24, 1300640), (30, 1040512), (32, 975480), (33, 945920), (40, 780384), (44, 709440), (48, 650320), (55, 567552), (60, 520256), (64, 487740), (66, 472960), (80, 390192), (88, 354720), (96, 325160), (110, 283776), (120, 260128), (128, 243870), (132, 236480), (160, 195096), (165, 189184), (176, 177360), (192, 162580), (220, 141888), (240, 130064), (256, 121935), (264, 118240), (320, 97548), (330, 94592), (352, 88680), (384, 81290), (440, 70944), (480, 65032), (528, 59120), (640, 48774), (660, 47296), (704, 44340), (739, 42240), (768, 40645), (880, 35472), (960, 32516), (1056, 29560), (1280, 24387), (1320, 23648), (1408, 22170), (1478, 21120), (1760, 17736), (1920, 16258), (2112, 14780), (2217, 14080), (2640, 11824), (2816, 11085), (2956, 10560), (3520, 8868), (3695, 8448), (3840, 8129), (4224, 7390), (4434, 7040), (5280, 5912)]