139880720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 393093888

約数和(自身を除く): 253213168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 43, 56, 70, 74, 80, 86, 112, 140, 148, 157, 172, 185, 215, 259, 280, 296, 301, 314, 344, 370, 430, 518, 560, 592, 602, 628, 688, 740, 785, 860, 1036, 1099, 1204, 1256, 1295, 1480, 1505, 1570, 1591, 1720, 2072, 2198, 2408, 2512, 2590, 2960, 3010, 3140, 3182, 3440, 4144, 4396, 4816, 5180, 5495, 5809, 6020, 6280, 6364, 6751, 7955, 8792, 10360, 10990, 11137, 11618, 12040, 12560, 12728, 13502, 15910, 17584, 20720, 21980, 22274, 23236, 24080, 25456, 27004, 29045, 31820, 33755, 40663, 43960, 44548, 46472, 47257, 54008, 55685, 58090, 63640, 67510, 81326, 87920, 89096, 92944, 94514, 108016, 111370, 116180, 127280, 135020, 162652, 178192, 189028, 203315, 222740, 232360, 236285, 249787, 270040, 325304, 378056, 406630, 445480, 464720, 472570, 499574, 540080, 650608, 756112, 813260, 890960, 945140, 999148, 1248935, 1626520, 1748509, 1890280, 1998296, 2497870, 3253040, 3497018, 3780560, 3996592, 4995740, 6994036, 8742545, 9991480, 13988072, 17485090, 19982960, 27976144, 34970180, 69940360, 139880720]

約数ペア:

[(1, 139880720), (2, 69940360), (4, 34970180), (5, 27976144), (7, 19982960), (8, 17485090), (10, 13988072), (14, 9991480), (16, 8742545), (20, 6994036), (28, 4995740), (35, 3996592), (37, 3780560), (40, 3497018), (43, 3253040), (56, 2497870), (70, 1998296), (74, 1890280), (80, 1748509), (86, 1626520), (112, 1248935), (140, 999148), (148, 945140), (157, 890960), (172, 813260), (185, 756112), (215, 650608), (259, 540080), (280, 499574), (296, 472570), (301, 464720), (314, 445480), (344, 406630), (370, 378056), (430, 325304), (518, 270040), (560, 249787), (592, 236285), (602, 232360), (628, 222740), (688, 203315), (740, 189028), (785, 178192), (860, 162652), (1036, 135020), (1099, 127280), (1204, 116180), (1256, 111370), (1295, 108016), (1480, 94514), (1505, 92944), (1570, 89096), (1591, 87920), (1720, 81326), (2072, 67510), (2198, 63640), (2408, 58090), (2512, 55685), (2590, 54008), (2960, 47257), (3010, 46472), (3140, 44548), (3182, 43960), (3440, 40663), (4144, 33755), (4396, 31820), (4816, 29045), (5180, 27004), (5495, 25456), (5809, 24080), (6020, 23236), (6280, 22274), (6364, 21980), (6751, 20720), (7955, 17584), (8792, 15910), (10360, 13502), (10990, 12728), (11137, 12560), (11618, 12040)]