90905120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1810

約数の個数: 96

約数和(自身を含む): 239500800

約数和(自身を除く): 148595680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 380, 544, 608, 646, 680, 760, 1292, 1360, 1520, 1615, 1759, 2584, 2720, 3040, 3230, 3518, 5168, 6460, 7036, 8795, 10336, 12920, 14072, 17590, 25840, 28144, 29903, 33421, 35180, 51680, 56288, 59806, 66842, 70360, 119612, 133684, 140720, 149515, 167105, 239224, 267368, 281440, 299030, 334210, 478448, 534736, 568157, 598060, 668420, 956896, 1069472, 1136314, 1196120, 1336840, 2272628, 2392240, 2673680, 2840785, 4545256, 4784480, 5347360, 5681570, 9090512, 11363140, 18181024, 22726280, 45452560, 90905120]

約数ペア:

[(1, 90905120), (2, 45452560), (4, 22726280), (5, 18181024), (8, 11363140), (10, 9090512), (16, 5681570), (17, 5347360), (19, 4784480), (20, 4545256), (32, 2840785), (34, 2673680), (38, 2392240), (40, 2272628), (68, 1336840), (76, 1196120), (80, 1136314), (85, 1069472), (95, 956896), (136, 668420), (152, 598060), (160, 568157), (170, 534736), (190, 478448), (272, 334210), (304, 299030), (323, 281440), (340, 267368), (380, 239224), (544, 167105), (608, 149515), (646, 140720), (680, 133684), (760, 119612), (1292, 70360), (1360, 66842), (1520, 59806), (1615, 56288), (1759, 51680), (2584, 35180), (2720, 33421), (3040, 29903), (3230, 28144), (3518, 25840), (5168, 17590), (6460, 14072), (7036, 12920), (8795, 10336)]