13231960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 35663760

約数和(自身を除く): 22431800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 140, 157, 172, 196, 215, 245, 280, 301, 314, 344, 392, 430, 490, 602, 628, 785, 860, 980, 1099, 1204, 1256, 1505, 1570, 1720, 1960, 2107, 2198, 2408, 3010, 3140, 4214, 4396, 5495, 6020, 6280, 6751, 7693, 8428, 8792, 10535, 10990, 12040, 13502, 15386, 16856, 21070, 21980, 27004, 30772, 33755, 38465, 42140, 43960, 47257, 54008, 61544, 67510, 76930, 84280, 94514, 135020, 153860, 189028, 236285, 270040, 307720, 330799, 378056, 472570, 661598, 945140, 1323196, 1653995, 1890280, 2646392, 3307990, 6615980, 13231960]

約数ペア:

[(1, 13231960), (2, 6615980), (4, 3307990), (5, 2646392), (7, 1890280), (8, 1653995), (10, 1323196), (14, 945140), (20, 661598), (28, 472570), (35, 378056), (40, 330799), (43, 307720), (49, 270040), (56, 236285), (70, 189028), (86, 153860), (98, 135020), (140, 94514), (157, 84280), (172, 76930), (196, 67510), (215, 61544), (245, 54008), (280, 47257), (301, 43960), (314, 42140), (344, 38465), (392, 33755), (430, 30772), (490, 27004), (602, 21980), (628, 21070), (785, 16856), (860, 15386), (980, 13502), (1099, 12040), (1204, 10990), (1256, 10535), (1505, 8792), (1570, 8428), (1720, 7693), (1960, 6751), (2107, 6280), (2198, 6020), (2408, 5495), (3010, 4396), (3140, 4214)]