212968960

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3617}}^1$

素因数の和:3663

約数の個数: 80

約数和(自身を含む): 532974816

約数和(自身を除く): 320005856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1280, 1472, 1840, 2560, 2944, 3617, 3680, 5888, 7234, 7360, 11776, 14468, 14720, 18085, 28936, 29440, 36170, 57872, 58880, 72340, 83191, 115744, 144680, 166382, 231488, 289360, 332764, 415955, 462976, 578720, 665528, 831910, 925952, 1157440, 1331056, 1663820, 1851904, 2314880, 2662112, 3327640, 4629760, 5324224, 6655280, 9259520, 10648448, 13310560, 21296896, 26621120, 42593792, 53242240, 106484480, 212968960]

約数ペア:

[(1, 212968960), (2, 106484480), (4, 53242240), (5, 42593792), (8, 26621120), (10, 21296896), (16, 13310560), (20, 10648448), (23, 9259520), (32, 6655280), (40, 5324224), (46, 4629760), (64, 3327640), (80, 2662112), (92, 2314880), (115, 1851904), (128, 1663820), (160, 1331056), (184, 1157440), (230, 925952), (256, 831910), (320, 665528), (368, 578720), (460, 462976), (512, 415955), (640, 332764), (736, 289360), (920, 231488), (1280, 166382), (1472, 144680), (1840, 115744), (2560, 83191), (2944, 72340), (3617, 58880), (3680, 57872), (5888, 36170), (7234, 29440), (7360, 28936), (11776, 18085), (14468, 14720)]