68367320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 188697600

約数和(自身を除く): 120330280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 133, 140, 142, 152, 181, 190, 266, 280, 284, 355, 362, 380, 497, 532, 568, 665, 710, 724, 760, 905, 994, 1064, 1267, 1330, 1349, 1420, 1448, 1810, 1988, 2485, 2534, 2660, 2698, 2840, 3439, 3620, 3976, 4970, 5068, 5320, 5396, 6335, 6745, 6878, 7240, 9443, 9940, 10136, 10792, 12670, 12851, 13490, 13756, 17195, 18886, 19880, 24073, 25340, 25702, 26980, 27512, 34390, 37772, 47215, 48146, 50680, 51404, 53960, 64255, 68780, 75544, 89957, 94430, 96292, 102808, 120365, 128510, 137560, 179914, 188860, 192584, 240730, 244169, 257020, 359828, 377720, 449785, 481460, 488338, 514040, 719656, 899570, 962920, 976676, 1220845, 1709183, 1799140, 1953352, 2441690, 3418366, 3598280, 4883380, 6836732, 8545915, 9766760, 13673464, 17091830, 34183660, 68367320]

約数ペア:

[(1, 68367320), (2, 34183660), (4, 17091830), (5, 13673464), (7, 9766760), (8, 8545915), (10, 6836732), (14, 4883380), (19, 3598280), (20, 3418366), (28, 2441690), (35, 1953352), (38, 1799140), (40, 1709183), (56, 1220845), (70, 976676), (71, 962920), (76, 899570), (95, 719656), (133, 514040), (140, 488338), (142, 481460), (152, 449785), (181, 377720), (190, 359828), (266, 257020), (280, 244169), (284, 240730), (355, 192584), (362, 188860), (380, 179914), (497, 137560), (532, 128510), (568, 120365), (665, 102808), (710, 96292), (724, 94430), (760, 89957), (905, 75544), (994, 68780), (1064, 64255), (1267, 53960), (1330, 51404), (1349, 50680), (1420, 48146), (1448, 47215), (1810, 37772), (1988, 34390), (2485, 27512), (2534, 26980), (2660, 25702), (2698, 25340), (2840, 24073), (3439, 19880), (3620, 18886), (3976, 17195), (4970, 13756), (5068, 13490), (5320, 12851), (5396, 12670), (6335, 10792), (6745, 10136), (6878, 9940), (7240, 9443)]