155321656

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 384307200

約数和(自身を除く): 228985544

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 31, 34, 38, 56, 62, 68, 76, 119, 124, 133, 136, 152, 217, 238, 248, 266, 277, 323, 434, 476, 527, 532, 554, 589, 646, 868, 952, 1054, 1064, 1108, 1178, 1292, 1736, 1939, 2108, 2216, 2261, 2356, 2584, 3689, 3878, 4123, 4216, 4522, 4709, 4712, 5263, 7378, 7756, 8246, 8587, 9044, 9418, 10013, 10526, 14756, 15512, 16492, 17174, 18088, 18836, 20026, 21052, 29512, 32963, 32984, 34348, 36841, 37672, 40052, 42104, 60109, 65926, 68696, 70091, 73682, 80104, 89471, 120218, 131852, 140182, 145979, 147364, 163153, 178942, 240436, 263704, 280364, 291958, 294728, 326306, 357884, 480872, 560728, 583916, 626297, 652612, 715768, 1021853, 1142071, 1167832, 1252594, 1305224, 2043706, 2284142, 2505188, 2773601, 4087412, 4568284, 5010376, 5547202, 8174824, 9136568, 11094404, 19415207, 22188808, 38830414, 77660828, 155321656]

約数ペア:

[(1, 155321656), (2, 77660828), (4, 38830414), (7, 22188808), (8, 19415207), (14, 11094404), (17, 9136568), (19, 8174824), (28, 5547202), (31, 5010376), (34, 4568284), (38, 4087412), (56, 2773601), (62, 2505188), (68, 2284142), (76, 2043706), (119, 1305224), (124, 1252594), (133, 1167832), (136, 1142071), (152, 1021853), (217, 715768), (238, 652612), (248, 626297), (266, 583916), (277, 560728), (323, 480872), (434, 357884), (476, 326306), (527, 294728), (532, 291958), (554, 280364), (589, 263704), (646, 240436), (868, 178942), (952, 163153), (1054, 147364), (1064, 145979), (1108, 140182), (1178, 131852), (1292, 120218), (1736, 89471), (1939, 80104), (2108, 73682), (2216, 70091), (2261, 68696), (2356, 65926), (2584, 60109), (3689, 42104), (3878, 40052), (4123, 37672), (4216, 36841), (4522, 34348), (4709, 32984), (4712, 32963), (5263, 29512), (7378, 21052), (7756, 20026), (8246, 18836), (8587, 18088), (9044, 17174), (9418, 16492), (10013, 15512), (10526, 14756)]