71563520

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{163}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 201129600

約数和(自身を除く): 129566080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 163, 196, 224, 245, 256, 280, 320, 326, 343, 392, 448, 490, 560, 640, 652, 686, 784, 815, 896, 980, 1120, 1141, 1280, 1304, 1372, 1568, 1630, 1715, 1792, 1960, 2240, 2282, 2608, 2744, 3136, 3260, 3430, 3920, 4480, 4564, 5216, 5488, 5705, 6272, 6520, 6860, 7840, 7987, 8960, 9128, 10432, 10976, 11410, 12544, 13040, 13720, 15680, 15974, 18256, 20864, 21952, 22820, 26080, 27440, 31360, 31948, 36512, 39935, 41728, 43904, 45640, 52160, 54880, 55909, 62720, 63896, 73024, 79870, 87808, 91280, 104320, 109760, 111818, 127792, 146048, 159740, 182560, 208640, 219520, 223636, 255584, 279545, 292096, 319480, 365120, 439040, 447272, 511168, 559090, 638960, 730240, 894544, 1022336, 1118180, 1277920, 1460480, 1789088, 2044672, 2236360, 2555840, 3578176, 4472720, 5111680, 7156352, 8945440, 10223360, 14312704, 17890880, 35781760, 71563520]

約数ペア:

[(1, 71563520), (2, 35781760), (4, 17890880), (5, 14312704), (7, 10223360), (8, 8945440), (10, 7156352), (14, 5111680), (16, 4472720), (20, 3578176), (28, 2555840), (32, 2236360), (35, 2044672), (40, 1789088), (49, 1460480), (56, 1277920), (64, 1118180), (70, 1022336), (80, 894544), (98, 730240), (112, 638960), (128, 559090), (140, 511168), (160, 447272), (163, 439040), (196, 365120), (224, 319480), (245, 292096), (256, 279545), (280, 255584), (320, 223636), (326, 219520), (343, 208640), (392, 182560), (448, 159740), (490, 146048), (560, 127792), (640, 111818), (652, 109760), (686, 104320), (784, 91280), (815, 87808), (896, 79870), (980, 73024), (1120, 63896), (1141, 62720), (1280, 55909), (1304, 54880), (1372, 52160), (1568, 45640), (1630, 43904), (1715, 41728), (1792, 39935), (1960, 36512), (2240, 31948), (2282, 31360), (2608, 27440), (2744, 26080), (3136, 22820), (3260, 21952), (3430, 20864), (3920, 18256), (4480, 15974), (4564, 15680), (5216, 13720), (5488, 13040), (5705, 12544), (6272, 11410), (6520, 10976), (6860, 10432), (7840, 9128), (7987, 8960)]