155498728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 128

約数和(自身を含む): 398131200

約数和(自身を除く): 242632472

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 31, 34, 44, 56, 62, 68, 77, 88, 119, 124, 136, 154, 187, 217, 238, 248, 308, 341, 374, 434, 476, 479, 527, 616, 682, 748, 868, 952, 958, 1054, 1309, 1364, 1496, 1736, 1916, 2108, 2387, 2618, 2728, 3353, 3689, 3832, 4216, 4774, 5236, 5269, 5797, 6706, 7378, 8143, 9548, 10472, 10538, 11594, 13412, 14756, 14849, 16286, 19096, 21076, 23188, 26824, 29512, 29698, 32572, 36883, 40579, 42152, 46376, 57001, 59396, 65144, 73766, 81158, 89573, 103943, 114002, 118792, 147532, 162316, 163339, 179146, 207886, 228004, 252433, 295064, 324632, 326678, 358292, 415772, 456008, 504866, 627011, 653356, 716584, 831544, 1009732, 1143373, 1254022, 1306712, 1767031, 2019464, 2286746, 2508044, 2776763, 3534062, 4573492, 5016088, 5553526, 7068124, 9146984, 11107052, 14136248, 19437341, 22214104, 38874682, 77749364, 155498728]

約数ペア:

[(1, 155498728), (2, 77749364), (4, 38874682), (7, 22214104), (8, 19437341), (11, 14136248), (14, 11107052), (17, 9146984), (22, 7068124), (28, 5553526), (31, 5016088), (34, 4573492), (44, 3534062), (56, 2776763), (62, 2508044), (68, 2286746), (77, 2019464), (88, 1767031), (119, 1306712), (124, 1254022), (136, 1143373), (154, 1009732), (187, 831544), (217, 716584), (238, 653356), (248, 627011), (308, 504866), (341, 456008), (374, 415772), (434, 358292), (476, 326678), (479, 324632), (527, 295064), (616, 252433), (682, 228004), (748, 207886), (868, 179146), (952, 163339), (958, 162316), (1054, 147532), (1309, 118792), (1364, 114002), (1496, 103943), (1736, 89573), (1916, 81158), (2108, 73766), (2387, 65144), (2618, 59396), (2728, 57001), (3353, 46376), (3689, 42152), (3832, 40579), (4216, 36883), (4774, 32572), (5236, 29698), (5269, 29512), (5797, 26824), (6706, 23188), (7378, 21076), (8143, 19096), (9548, 16286), (10472, 14849), (10538, 14756), (11594, 13412)]