7247240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 22014720

約数和(自身を除く): 14767480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 181, 182, 220, 260, 280, 286, 308, 362, 364, 385, 440, 455, 520, 572, 616, 715, 724, 728, 770, 905, 910, 1001, 1144, 1267, 1430, 1448, 1540, 1810, 1820, 1991, 2002, 2353, 2534, 2860, 3080, 3620, 3640, 3982, 4004, 4706, 5005, 5068, 5720, 6335, 7240, 7964, 8008, 9412, 9955, 10010, 10136, 11765, 12670, 13937, 15928, 16471, 18824, 19910, 20020, 23530, 25340, 25883, 27874, 32942, 39820, 40040, 47060, 50680, 51766, 55748, 65884, 69685, 79640, 82355, 94120, 103532, 111496, 129415, 131768, 139370, 164710, 181181, 207064, 258830, 278740, 329420, 362362, 517660, 557480, 658840, 724724, 905905, 1035320, 1449448, 1811810, 3623620, 7247240]

約数ペア:

[(1, 7247240), (2, 3623620), (4, 1811810), (5, 1449448), (7, 1035320), (8, 905905), (10, 724724), (11, 658840), (13, 557480), (14, 517660), (20, 362362), (22, 329420), (26, 278740), (28, 258830), (35, 207064), (40, 181181), (44, 164710), (52, 139370), (55, 131768), (56, 129415), (65, 111496), (70, 103532), (77, 94120), (88, 82355), (91, 79640), (104, 69685), (110, 65884), (130, 55748), (140, 51766), (143, 50680), (154, 47060), (181, 40040), (182, 39820), (220, 32942), (260, 27874), (280, 25883), (286, 25340), (308, 23530), (362, 20020), (364, 19910), (385, 18824), (440, 16471), (455, 15928), (520, 13937), (572, 12670), (616, 11765), (715, 10136), (724, 10010), (728, 9955), (770, 9412), (905, 8008), (910, 7964), (1001, 7240), (1144, 6335), (1267, 5720), (1430, 5068), (1448, 5005), (1540, 4706), (1810, 4004), (1820, 3982), (1991, 3640), (2002, 3620), (2353, 3080), (2534, 2860)]