218595840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{28463}}^1$

素因数の和:28489

約数の個数: 80

約数和(自身を含む): 698848128

約数和(自身を除く): 480252288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 28463, 56926, 85389, 113852, 142315, 170778, 227704, 284630, 341556, 426945, 455408, 569260, 683112, 853890, 910816, 1138520, 1366224, 1707780, 1821632, 2277040, 2732448, 3415560, 3643264, 4554080, 5464896, 6831120, 7286528, 9108160, 10929792, 13662240, 14573056, 18216320, 21859584, 27324480, 36432640, 43719168, 54648960, 72865280, 109297920, 218595840]

約数ペア:

[(1, 218595840), (2, 109297920), (3, 72865280), (4, 54648960), (5, 43719168), (6, 36432640), (8, 27324480), (10, 21859584), (12, 18216320), (15, 14573056), (16, 13662240), (20, 10929792), (24, 9108160), (30, 7286528), (32, 6831120), (40, 5464896), (48, 4554080), (60, 3643264), (64, 3415560), (80, 2732448), (96, 2277040), (120, 1821632), (128, 1707780), (160, 1366224), (192, 1138520), (240, 910816), (256, 853890), (320, 683112), (384, 569260), (480, 455408), (512, 426945), (640, 341556), (768, 284630), (960, 227704), (1280, 170778), (1536, 142315), (1920, 113852), (2560, 85389), (3840, 56926), (7680, 28463)]