29940040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 75366720

約数和(自身を除く): 45426680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 103, 104, 130, 169, 172, 206, 215, 260, 338, 344, 412, 430, 515, 520, 559, 676, 824, 845, 860, 1030, 1118, 1339, 1352, 1690, 1720, 2060, 2236, 2678, 2795, 3380, 4120, 4429, 4472, 5356, 5590, 6695, 6760, 7267, 8858, 10712, 11180, 13390, 14534, 17407, 17716, 22145, 22360, 26780, 29068, 34814, 35432, 36335, 44290, 53560, 57577, 58136, 69628, 72670, 87035, 88580, 115154, 139256, 145340, 174070, 177160, 230308, 287885, 290680, 348140, 460616, 575770, 696280, 748501, 1151540, 1497002, 2303080, 2994004, 3742505, 5988008, 7485010, 14970020, 29940040]

約数ペア:

[(1, 29940040), (2, 14970020), (4, 7485010), (5, 5988008), (8, 3742505), (10, 2994004), (13, 2303080), (20, 1497002), (26, 1151540), (40, 748501), (43, 696280), (52, 575770), (65, 460616), (86, 348140), (103, 290680), (104, 287885), (130, 230308), (169, 177160), (172, 174070), (206, 145340), (215, 139256), (260, 115154), (338, 88580), (344, 87035), (412, 72670), (430, 69628), (515, 58136), (520, 57577), (559, 53560), (676, 44290), (824, 36335), (845, 35432), (860, 34814), (1030, 29068), (1118, 26780), (1339, 22360), (1352, 22145), (1690, 17716), (1720, 17407), (2060, 14534), (2236, 13390), (2678, 11180), (2795, 10712), (3380, 8858), (4120, 7267), (4429, 6760), (4472, 6695), (5356, 5590)]