256373760

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{16691}}^1$

素因数の和:16719

約数の個数: 88

約数和(自身を含む): 820044576

約数和(自身を除く): 563670816

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, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 16691, 33382, 50073, 66764, 83455, 100146, 133528, 166910, 200292, 250365, 267056, 333820, 400584, 500730, 534112, 667640, 801168, 1001460, 1068224, 1335280, 1602336, 2002920, 2136448, 2670560, 3204672, 4005840, 4272896, 5341120, 6409344, 8011680, 8545792, 10682240, 12818688, 16023360, 17091584, 21364480, 25637376, 32046720, 42728960, 51274752, 64093440, 85457920, 128186880, 256373760]

約数ペア:

[(1, 256373760), (2, 128186880), (3, 85457920), (4, 64093440), (5, 51274752), (6, 42728960), (8, 32046720), (10, 25637376), (12, 21364480), (15, 17091584), (16, 16023360), (20, 12818688), (24, 10682240), (30, 8545792), (32, 8011680), (40, 6409344), (48, 5341120), (60, 4272896), (64, 4005840), (80, 3204672), (96, 2670560), (120, 2136448), (128, 2002920), (160, 1602336), (192, 1335280), (240, 1068224), (256, 1001460), (320, 801168), (384, 667640), (480, 534112), (512, 500730), (640, 400584), (768, 333820), (960, 267056), (1024, 250365), (1280, 200292), (1536, 166910), (1920, 133528), (2560, 100146), (3072, 83455), (3840, 66764), (5120, 50073), (7680, 33382), (15360, 16691)]