155915368

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 377856000

約数和(自身を除く): 221940632

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 31, 38, 56, 58, 62, 76, 116, 124, 133, 152, 163, 203, 217, 232, 248, 266, 326, 406, 434, 532, 551, 589, 652, 812, 868, 899, 1064, 1102, 1141, 1178, 1304, 1624, 1736, 1798, 2204, 2282, 2356, 3097, 3596, 3857, 4123, 4408, 4564, 4712, 4727, 5053, 6194, 6293, 7192, 7714, 8246, 9128, 9454, 10106, 12388, 12586, 15428, 16492, 17081, 18908, 20212, 21679, 24776, 25172, 30856, 32984, 33089, 34162, 35371, 37816, 40424, 43358, 50344, 66178, 68324, 70742, 86716, 89813, 96007, 119567, 132356, 136648, 141484, 146537, 173432, 179626, 192014, 239134, 264712, 282968, 293074, 359252, 384028, 478268, 586148, 628691, 672049, 718504, 768056, 956536, 1025759, 1172296, 1257382, 1344098, 2051518, 2514764, 2688196, 2784203, 4103036, 5029528, 5376392, 5568406, 8206072, 11136812, 19489421, 22273624, 38978842, 77957684, 155915368]

約数ペア:

[(1, 155915368), (2, 77957684), (4, 38978842), (7, 22273624), (8, 19489421), (14, 11136812), (19, 8206072), (28, 5568406), (29, 5376392), (31, 5029528), (38, 4103036), (56, 2784203), (58, 2688196), (62, 2514764), (76, 2051518), (116, 1344098), (124, 1257382), (133, 1172296), (152, 1025759), (163, 956536), (203, 768056), (217, 718504), (232, 672049), (248, 628691), (266, 586148), (326, 478268), (406, 384028), (434, 359252), (532, 293074), (551, 282968), (589, 264712), (652, 239134), (812, 192014), (868, 179626), (899, 173432), (1064, 146537), (1102, 141484), (1141, 136648), (1178, 132356), (1304, 119567), (1624, 96007), (1736, 89813), (1798, 86716), (2204, 70742), (2282, 68324), (2356, 66178), (3097, 50344), (3596, 43358), (3857, 40424), (4123, 37816), (4408, 35371), (4564, 34162), (4712, 33089), (4727, 32984), (5053, 30856), (6194, 25172), (6293, 24776), (7192, 21679), (7714, 20212), (8246, 18908), (9128, 17081), (9454, 16492), (10106, 15428), (12388, 12586)]