321199320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2129

約数の個数: 128

約数和(自身を含む): 1048320000

約数和(自身を除く): 727120680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 103, 104, 120, 130, 156, 195, 206, 260, 309, 312, 390, 412, 515, 520, 618, 780, 824, 1030, 1236, 1339, 1545, 1560, 1999, 2060, 2472, 2678, 3090, 3998, 4017, 4120, 5356, 5997, 6180, 6695, 7996, 8034, 9995, 10712, 11994, 12360, 13390, 15992, 16068, 19990, 20085, 23988, 25987, 26780, 29985, 32136, 39980, 40170, 47976, 51974, 53560, 59970, 77961, 79960, 80340, 103948, 119940, 129935, 155922, 160680, 205897, 207896, 239880, 259870, 311844, 389805, 411794, 519740, 617691, 623688, 779610, 823588, 1029485, 1039480, 1235382, 1559220, 1647176, 2058970, 2470764, 2676661, 3088455, 3118440, 4117940, 4941528, 5353322, 6176910, 8029983, 8235880, 10706644, 12353820, 13383305, 16059966, 21413288, 24707640, 26766610, 32119932, 40149915, 53533220, 64239864, 80299830, 107066440, 160599660, 321199320]

約数ペア:

[(1, 321199320), (2, 160599660), (3, 107066440), (4, 80299830), (5, 64239864), (6, 53533220), (8, 40149915), (10, 32119932), (12, 26766610), (13, 24707640), (15, 21413288), (20, 16059966), (24, 13383305), (26, 12353820), (30, 10706644), (39, 8235880), (40, 8029983), (52, 6176910), (60, 5353322), (65, 4941528), (78, 4117940), (103, 3118440), (104, 3088455), (120, 2676661), (130, 2470764), (156, 2058970), (195, 1647176), (206, 1559220), (260, 1235382), (309, 1039480), (312, 1029485), (390, 823588), (412, 779610), (515, 623688), (520, 617691), (618, 519740), (780, 411794), (824, 389805), (1030, 311844), (1236, 259870), (1339, 239880), (1545, 207896), (1560, 205897), (1999, 160680), (2060, 155922), (2472, 129935), (2678, 119940), (3090, 103948), (3998, 80340), (4017, 79960), (4120, 77961), (5356, 59970), (5997, 53560), (6180, 51974), (6695, 47976), (7996, 40170), (8034, 39980), (9995, 32136), (10712, 29985), (11994, 26780), (12360, 25987), (13390, 23988), (15992, 20085), (16068, 19990)]