31400320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 128

約数和(自身を含む): 88323840

約数和(自身を除く): 56923520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 163, 172, 215, 224, 280, 301, 320, 326, 344, 430, 448, 560, 602, 640, 652, 688, 815, 860, 896, 1120, 1141, 1204, 1304, 1376, 1505, 1630, 1720, 2240, 2282, 2408, 2608, 2752, 3010, 3260, 3440, 4480, 4564, 4816, 5216, 5504, 5705, 6020, 6520, 6880, 7009, 9128, 9632, 10432, 11410, 12040, 13040, 13760, 14018, 18256, 19264, 20864, 22820, 24080, 26080, 27520, 28036, 35045, 36512, 38528, 45640, 48160, 49063, 52160, 56072, 70090, 73024, 91280, 96320, 98126, 104320, 112144, 140180, 146048, 182560, 192640, 196252, 224288, 245315, 280360, 365120, 392504, 448576, 490630, 560720, 730240, 785008, 897152, 981260, 1121440, 1570016, 1962520, 2242880, 3140032, 3925040, 4485760, 6280064, 7850080, 15700160, 31400320]

約数ペア:

[(1, 31400320), (2, 15700160), (4, 7850080), (5, 6280064), (7, 4485760), (8, 3925040), (10, 3140032), (14, 2242880), (16, 1962520), (20, 1570016), (28, 1121440), (32, 981260), (35, 897152), (40, 785008), (43, 730240), (56, 560720), (64, 490630), (70, 448576), (80, 392504), (86, 365120), (112, 280360), (128, 245315), (140, 224288), (160, 196252), (163, 192640), (172, 182560), (215, 146048), (224, 140180), (280, 112144), (301, 104320), (320, 98126), (326, 96320), (344, 91280), (430, 73024), (448, 70090), (560, 56072), (602, 52160), (640, 49063), (652, 48160), (688, 45640), (815, 38528), (860, 36512), (896, 35045), (1120, 28036), (1141, 27520), (1204, 26080), (1304, 24080), (1376, 22820), (1505, 20864), (1630, 19264), (1720, 18256), (2240, 14018), (2282, 13760), (2408, 13040), (2608, 12040), (2752, 11410), (3010, 10432), (3260, 9632), (3440, 9128), (4480, 7009), (4564, 6880), (4816, 6520), (5216, 6020), (5504, 5705)]