27256840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 71850240

約数和(自身を除く): 44593400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 43, 46, 52, 53, 65, 86, 92, 104, 106, 115, 130, 172, 184, 212, 215, 230, 260, 265, 299, 344, 424, 430, 460, 520, 530, 559, 598, 689, 860, 920, 989, 1060, 1118, 1196, 1219, 1378, 1495, 1720, 1978, 2120, 2236, 2279, 2392, 2438, 2756, 2795, 2990, 3445, 3956, 4472, 4558, 4876, 4945, 5512, 5590, 5980, 6095, 6890, 7912, 9116, 9752, 9890, 11180, 11395, 11960, 12190, 12857, 13780, 15847, 18232, 19780, 22360, 22790, 24380, 25714, 27560, 29627, 31694, 39560, 45580, 48760, 51428, 52417, 59254, 63388, 64285, 79235, 91160, 102856, 104834, 118508, 126776, 128570, 148135, 158470, 209668, 237016, 257140, 262085, 296270, 316940, 419336, 514280, 524170, 592540, 633880, 681421, 1048340, 1185080, 1362842, 2096680, 2725684, 3407105, 5451368, 6814210, 13628420, 27256840]

約数ペア:

[(1, 27256840), (2, 13628420), (4, 6814210), (5, 5451368), (8, 3407105), (10, 2725684), (13, 2096680), (20, 1362842), (23, 1185080), (26, 1048340), (40, 681421), (43, 633880), (46, 592540), (52, 524170), (53, 514280), (65, 419336), (86, 316940), (92, 296270), (104, 262085), (106, 257140), (115, 237016), (130, 209668), (172, 158470), (184, 148135), (212, 128570), (215, 126776), (230, 118508), (260, 104834), (265, 102856), (299, 91160), (344, 79235), (424, 64285), (430, 63388), (460, 59254), (520, 52417), (530, 51428), (559, 48760), (598, 45580), (689, 39560), (860, 31694), (920, 29627), (989, 27560), (1060, 25714), (1118, 24380), (1196, 22790), (1219, 22360), (1378, 19780), (1495, 18232), (1720, 15847), (1978, 13780), (2120, 12857), (2236, 12190), (2279, 11960), (2392, 11395), (2438, 11180), (2756, 9890), (2795, 9752), (2990, 9116), (3445, 7912), (3956, 6890), (4472, 6095), (4558, 5980), (4876, 5590), (4945, 5512)]