81305760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1499}}^1$

素因数の和:1630

約数の個数: 96

約数和(自身を含む): 258552000

約数和(自身を除く): 177246240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 113, 120, 160, 226, 240, 339, 452, 480, 565, 678, 904, 1130, 1356, 1499, 1695, 1808, 2260, 2712, 2998, 3390, 3616, 4497, 4520, 5424, 5996, 6780, 7495, 8994, 9040, 10848, 11992, 13560, 14990, 17988, 18080, 22485, 23984, 27120, 29980, 35976, 44970, 47968, 54240, 59960, 71952, 89940, 119920, 143904, 169387, 179880, 239840, 338774, 359760, 508161, 677548, 719520, 846935, 1016322, 1355096, 1693870, 2032644, 2540805, 2710192, 3387740, 4065288, 5081610, 5420384, 6775480, 8130576, 10163220, 13550960, 16261152, 20326440, 27101920, 40652880, 81305760]

約数ペア:

[(1, 81305760), (2, 40652880), (3, 27101920), (4, 20326440), (5, 16261152), (6, 13550960), (8, 10163220), (10, 8130576), (12, 6775480), (15, 5420384), (16, 5081610), (20, 4065288), (24, 3387740), (30, 2710192), (32, 2540805), (40, 2032644), (48, 1693870), (60, 1355096), (80, 1016322), (96, 846935), (113, 719520), (120, 677548), (160, 508161), (226, 359760), (240, 338774), (339, 239840), (452, 179880), (480, 169387), (565, 143904), (678, 119920), (904, 89940), (1130, 71952), (1356, 59960), (1499, 54240), (1695, 47968), (1808, 44970), (2260, 35976), (2712, 29980), (2998, 27120), (3390, 23984), (3616, 22485), (4497, 18080), (4520, 17988), (5424, 14990), (5996, 13560), (6780, 11992), (7495, 10848), (8994, 9040)]