51481360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:621

約数の個数: 120

約数和(自身を含む): 145544256

約数和(自身を除く): 94062896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 571, 644, 784, 805, 920, 980, 1127, 1142, 1288, 1610, 1840, 1960, 2254, 2284, 2576, 2855, 3220, 3920, 3997, 4508, 4568, 5635, 5710, 6440, 7994, 9016, 9136, 11270, 11420, 12880, 13133, 15988, 18032, 19985, 22540, 22840, 26266, 27979, 31976, 39970, 45080, 45680, 52532, 55958, 63952, 65665, 79940, 90160, 91931, 105064, 111916, 131330, 139895, 159880, 183862, 210128, 223832, 262660, 279790, 319760, 367724, 447664, 459655, 525320, 559580, 643517, 735448, 919310, 1050640, 1119160, 1287034, 1470896, 1838620, 2238320, 2574068, 3217585, 3677240, 5148136, 6435170, 7354480, 10296272, 12870340, 25740680, 51481360]

約数ペア:

[(1, 51481360), (2, 25740680), (4, 12870340), (5, 10296272), (7, 7354480), (8, 6435170), (10, 5148136), (14, 3677240), (16, 3217585), (20, 2574068), (23, 2238320), (28, 1838620), (35, 1470896), (40, 1287034), (46, 1119160), (49, 1050640), (56, 919310), (70, 735448), (80, 643517), (92, 559580), (98, 525320), (112, 459655), (115, 447664), (140, 367724), (161, 319760), (184, 279790), (196, 262660), (230, 223832), (245, 210128), (280, 183862), (322, 159880), (368, 139895), (392, 131330), (460, 111916), (490, 105064), (560, 91931), (571, 90160), (644, 79940), (784, 65665), (805, 63952), (920, 55958), (980, 52532), (1127, 45680), (1142, 45080), (1288, 39970), (1610, 31976), (1840, 27979), (1960, 26266), (2254, 22840), (2284, 22540), (2576, 19985), (2855, 18032), (3220, 15988), (3920, 13133), (3997, 12880), (4508, 11420), (4568, 11270), (5635, 9136), (5710, 9016), (6440, 7994)]