64520960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 186412800

約数和(自身を除く): 121891840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 379, 380, 448, 532, 560, 608, 640, 665, 758, 760, 896, 1064, 1120, 1216, 1280, 1330, 1516, 1520, 1792, 1895, 2128, 2240, 2432, 2653, 2660, 3032, 3040, 3790, 4256, 4480, 4864, 5306, 5320, 6064, 6080, 7201, 7580, 8512, 8960, 10612, 10640, 12128, 12160, 13265, 14402, 15160, 17024, 21224, 21280, 24256, 24320, 26530, 28804, 30320, 34048, 36005, 42448, 42560, 48512, 50407, 53060, 57608, 60640, 72010, 84896, 85120, 97024, 100814, 106120, 115216, 121280, 144020, 169792, 170240, 201628, 212240, 230432, 242560, 252035, 288040, 339584, 403256, 424480, 460864, 485120, 504070, 576080, 679168, 806512, 848960, 921728, 1008140, 1152160, 1613024, 1697920, 1843456, 2016280, 2304320, 3226048, 3395840, 4032560, 4608640, 6452096, 8065120, 9217280, 12904192, 16130240, 32260480, 64520960]

約数ペア:

[(1, 64520960), (2, 32260480), (4, 16130240), (5, 12904192), (7, 9217280), (8, 8065120), (10, 6452096), (14, 4608640), (16, 4032560), (19, 3395840), (20, 3226048), (28, 2304320), (32, 2016280), (35, 1843456), (38, 1697920), (40, 1613024), (56, 1152160), (64, 1008140), (70, 921728), (76, 848960), (80, 806512), (95, 679168), (112, 576080), (128, 504070), (133, 485120), (140, 460864), (152, 424480), (160, 403256), (190, 339584), (224, 288040), (256, 252035), (266, 242560), (280, 230432), (304, 212240), (320, 201628), (379, 170240), (380, 169792), (448, 144020), (532, 121280), (560, 115216), (608, 106120), (640, 100814), (665, 97024), (758, 85120), (760, 84896), (896, 72010), (1064, 60640), (1120, 57608), (1216, 53060), (1280, 50407), (1330, 48512), (1516, 42560), (1520, 42448), (1792, 36005), (1895, 34048), (2128, 30320), (2240, 28804), (2432, 26530), (2653, 24320), (2660, 24256), (3032, 21280), (3040, 21224), (3790, 17024), (4256, 15160), (4480, 14402), (4864, 13265), (5306, 12160), (5320, 12128), (6064, 10640), (6080, 10612), (7201, 8960), (7580, 8512)]