68642560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 193084416

約数和(自身を除く): 124441856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 163, 188, 224, 235, 256, 280, 320, 326, 329, 376, 448, 470, 560, 640, 652, 658, 752, 815, 896, 940, 1120, 1141, 1280, 1304, 1316, 1504, 1630, 1645, 1792, 1880, 2240, 2282, 2608, 2632, 3008, 3260, 3290, 3760, 4480, 4564, 5216, 5264, 5705, 6016, 6520, 6580, 7520, 7661, 8960, 9128, 10432, 10528, 11410, 12032, 13040, 13160, 15040, 15322, 18256, 20864, 21056, 22820, 26080, 26320, 30080, 30644, 36512, 38305, 41728, 42112, 45640, 52160, 52640, 53627, 60160, 61288, 73024, 76610, 84224, 91280, 104320, 105280, 107254, 122576, 146048, 153220, 182560, 208640, 210560, 214508, 245152, 268135, 292096, 306440, 365120, 421120, 429016, 490304, 536270, 612880, 730240, 858032, 980608, 1072540, 1225760, 1460480, 1716064, 1961216, 2145080, 2451520, 3432128, 4290160, 4903040, 6864256, 8580320, 9806080, 13728512, 17160640, 34321280, 68642560]

約数ペア:

[(1, 68642560), (2, 34321280), (4, 17160640), (5, 13728512), (7, 9806080), (8, 8580320), (10, 6864256), (14, 4903040), (16, 4290160), (20, 3432128), (28, 2451520), (32, 2145080), (35, 1961216), (40, 1716064), (47, 1460480), (56, 1225760), (64, 1072540), (70, 980608), (80, 858032), (94, 730240), (112, 612880), (128, 536270), (140, 490304), (160, 429016), (163, 421120), (188, 365120), (224, 306440), (235, 292096), (256, 268135), (280, 245152), (320, 214508), (326, 210560), (329, 208640), (376, 182560), (448, 153220), (470, 146048), (560, 122576), (640, 107254), (652, 105280), (658, 104320), (752, 91280), (815, 84224), (896, 76610), (940, 73024), (1120, 61288), (1141, 60160), (1280, 53627), (1304, 52640), (1316, 52160), (1504, 45640), (1630, 42112), (1645, 41728), (1792, 38305), (1880, 36512), (2240, 30644), (2282, 30080), (2608, 26320), (2632, 26080), (3008, 22820), (3260, 21056), (3290, 20864), (3760, 18256), (4480, 15322), (4564, 15040), (5216, 13160), (5264, 13040), (5705, 12032), (6016, 11410), (6520, 10528), (6580, 10432), (7520, 9128), (7661, 8960)]