156717040

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 373726080

約数和(自身を除く): 217009040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 137, 158, 181, 274, 316, 362, 395, 548, 632, 685, 724, 790, 905, 1096, 1264, 1370, 1448, 1580, 1810, 2192, 2740, 2896, 3160, 3620, 5480, 6320, 7240, 10823, 10960, 14299, 14480, 21646, 24797, 28598, 43292, 49594, 54115, 57196, 71495, 86584, 99188, 108230, 114392, 123985, 142990, 173168, 198376, 216460, 228784, 247970, 285980, 396752, 432920, 495940, 571960, 865840, 991880, 1143920, 1958963, 1983760, 3917926, 7835852, 9794815, 15671704, 19589630, 31343408, 39179260, 78358520, 156717040]

約数ペア:

[(1, 156717040), (2, 78358520), (4, 39179260), (5, 31343408), (8, 19589630), (10, 15671704), (16, 9794815), (20, 7835852), (40, 3917926), (79, 1983760), (80, 1958963), (137, 1143920), (158, 991880), (181, 865840), (274, 571960), (316, 495940), (362, 432920), (395, 396752), (548, 285980), (632, 247970), (685, 228784), (724, 216460), (790, 198376), (905, 173168), (1096, 142990), (1264, 123985), (1370, 114392), (1448, 108230), (1580, 99188), (1810, 86584), (2192, 71495), (2740, 57196), (2896, 54115), (3160, 49594), (3620, 43292), (5480, 28598), (6320, 24797), (7240, 21646), (10823, 14480), (10960, 14299)]